Printer Friendly

Browse Observational astronomy topic

Articles

1-300 out of 516 article(s) nextnext page
Title Author Type Date Words
Basic observing skills. Jan 1, 2019 2976
Deep-sky. Jan 1, 2019 1639
November 2019. Jan 1, 2019 1931
Star charts for spring: September 01 at 00:00, October 01 at 22:00, and November 01 at 20:00. Brief article Jan 1, 2019 263
December 2019. Jan 1, 2019 1839
The planets: "My very educated mother just sent us nougat". Jan 1, 2019 5143
May 2019. Jan 1, 2019 2509
Star charts for autumn: March 01 at 00:00, April 01 at 22:00, and May 01 at 20:00. Brief article Jan 1, 2019 331
June 2019. Jan 1, 2019 2482
July 2019. Jan 1, 2019 2384
August 2019. Jan 1, 2019 2278
Star charts for winter: June 01 at 00:00, July 01 at 22:00, and August 01 at 20:00. Brief article Jan 1, 2019 321
September 2019. Jan 1, 2019 2076
October 2019. Jan 1, 2019 2333
January 2019. Jan 1, 2019 2127
February 2019. Jan 1, 2019 2222
Star charts for summer: December 01 at 00:00, January 01 at 22:00, and February 01 at 20:00. Brief article Jan 1, 2019 328
March 2019. Jan 1, 2019 2291
April 2019. Jan 1, 2019 2134
OBSERVING: December 2018. Dec 1, 2018 354
Lunar Almanac: Northern Hemisphere Sky Chart. Dec 1, 2018 157
The True and the False Atik. Wedel, Mathew Dec 1, 2018 337
Planetary Almanac. Dec 1, 2018 586
Rains of Fire: Meteor showers elicit wonder in one and all. Schaaf, Fred Dec 1, 2018 714
An Unusual Parent: The familiar Geminid meteor shower springs from an unfamiliar source. Johnson-Roehr, S.N. Dec 1, 2018 946
Action at Jupiter. Dec 1, 2018 1620
The Frosty Sky. French, Sue Dec 1, 2018 1654
The VOID: Next Door: An enormous region of near-emptiness starts on our doorstep, giving astronomers their best chance to probe one of these gigantic cosmic structures. Croswell, Ken Oct 1, 2018 3121
The RIDDLE of the Nebulae: Using your own equipment you can experience the historic observation that changed astronomy. Banich, Howard Aug 1, 2018 2727
A Night on Haleakala: Visit the other Hawaiian mountaintop mecea to the stars. Wright, Richard S., Jr. Travel narrative Aug 1, 2018 2151
Astronomers Catch Cache of "Fast Supernovae". Schilling, Govert Brief article Jul 1, 2018 314
Star-forming Braids in the Orion Nebula. Young, Monica Brief article Jul 1, 2018 275
Pluto in 2018: This intriguing little world is at opposition this month. Catch it while you can. Johnson-Roehr, S.N. Jul 1, 2018 556
A Star Behind Saturn. Jul 1, 2018 2330
The Season's Top 10 Globulars: Even small scopes can track down these striking summer star balls. French, Sue Jul 1, 2018 1886
Slightly off the Beaten Track: A "backroad" route from Vulpecula to Lyra features worthy treasures. Hewitt-White, Ken Jul 1, 2018 1822
Messier 27: The First Planetary Nebula: Explore this complex object through your telescope with the help of an experienced observer's ever-so-elaborate sketches. Banich, Howard Jul 1, 2018 2856
Event Calendar. Brief article Jul 1, 2018 209
Celestial Solace in Parkland: The city and local astronomy club join forces to help students begin the healing process. Jeter, Kyle Essay Jul 1, 2018 603
SEA WORLD. Jul 1, 2018 404
Leap With A Gazelle: This asterism is all about pairs of stars, and pairs within pairs. Schaaf, Fred Column Jun 1, 2018 699
Fifteen Steps to Forever: Use these well-know observing targets as incremental stepping stones into the cosmic past. Wedel, Mathew Jun 1, 2018 2780
A Feast for the Eyes: To the author, one indelible night of observing could hardly have been more delectable. Weeks, Todd Essay Jun 1, 2018 558
THROUGH A GLASS, BRIGHTLY: Exploring the Wilderness Above. Miller, Jeremy Jan 1, 2018 3380
A Stingray in the Sky. Wedel, Mathew Dec 29, 2017 941
Four Planets for Tau Ceti. Young, Monica Nov 22, 2017 335
Historical Observations Reveal an Ancient Explosion. Barbuzano, Javier Nov 22, 2017 289
Understanding Surface Brightness: It took a while, but the light bulb finally went on above my head. Oltion, Jerry Nov 22, 2017 2032
16 Pisces, Arp 284 & the unexpected quasar: a story of time and distance. Banich, Howard Oct 1, 2017 2662
M17: the Nebula With too many names: follow this observers guide to find one of the best H II regions in the night sky. Banich, Howard Aug 24, 2017 1543
September 1992. Sinnott, Roger W. Brief article Aug 17, 2017 183
TRAPPIST-1h is real. Carlisle, Camille M. Brief article Aug 17, 2017 176
Homing in on a fast radio burst. Schilling, Govert Brief article Aug 17, 2017 253
Diamond of three rings: a total solar eclipse offers the most spectacular of jewels. Schaaf, Fred Aug 17, 2017 627
Minding mercury. Brief article Aug 17, 2017 244
Showpiece doubles: point your telescope toward these gems of the late-summer sky. French, Sue Aug 17, 2017 1819
August 2017 observing. Aug 1, 2017 1165
Eclipse, at last: the "Great American" total solar eclipse is this month's star attraction. Schaaf, Fred Aug 1, 2017 1057
The solar eclipse for the rest of us. MacRobert, Alan Aug 1, 2017 2096
Changes real and (mostly) imagined: even renowned lunar observers have sometimes been fooled by tricks of lighting and resolution. Wood, Charles A. Aug 1, 2017 1047
Overlooked wonders of summer: take some time to explore these lesser-known deep-sky sights. French, Sue Aug 1, 2017 1588
Low-tech eclipse viewing: what to do if you're caught without optics on eclipse day. Oltion, Jerry Aug 1, 2017 868
Eves of the dragon: look the fiery beast in the face as you track down these binocular doubles in Draco. Wedel, Mathew Aug 1, 2017 3433
A taste of relativity. Tyson, Peter Editorial Jul 1, 2017 467
Ethereal bubbles. Gottlieb, Steve Jul 1, 2017 3441
July 2017. Calendar Jul 1, 2017 266
Lunar almanac: northern hemisphere sky chart. Brief article Jul 1, 2017 164
Planetary almanac. Jul 1, 2017 724
Four out of five: whether you're a night owl or an early riser, you can observe a bright planet this month. Schaaf, Fred Jul 1, 2017 941
Pluto in 2017: don't look now, but a proposed sizing scheme would make it a planet again. MacRobert, Alan Jul 1, 2017 2835
Eyepieces for planetary observing: Jupiter and Saturn are easy to observe now--but what eyepiece type will give the best views? Dobbins, Thomas A. Jul 1, 2017 1263
Summer highlights: warm nights and dark skies are ideal for enjoying these classic beauties. French, Sue Jul 1, 2017 1760
Seeing through the dust: turning to technology can improve your resolution of globular clusters. Mihelich, Ed Jul 1, 2017 1871
Event calendar. Calendar Jul 1, 2017 192
The bright one that got away: fifty years ago this month, the author, then 16, came a hair's breadth from making a huge discovery. Cook, Stephen P. Essay Jul 1, 2017 540
Black holes spur starbirth. Brief article Jun 1, 2017 232
The most mysterious star in the galaxy. Montet, Benjamin; Boyajian, Tabetha Jun 1, 2017 4072
Doodles in the sky: from sharks to dogs, hats to rings, these night-sky patterns will have you seeking more. French, Sue Jun 1, 2017 1540
Saturn has a southern apparition: with rings still tipped invitingly open, Saturn invites your most careful scrutiny. MacRobert, Alan May 1, 2017 1392
Paired Stars in Cygnus En Route to Merger? Carlisle, Camille M. Apr 1, 2017 444
Wandering the winter milky way: grab your binoculars and head outdoors for this seasonal sky tour. Wedel, Mathew Mar 1, 2017 2301
Easy and hard. Wedel, Mathew Mar 1, 2017 1281
Launching astronomy into the wilds of Colombia. Seidel, Marja; Buelhoff, Kira Mar 1, 2017 2188
Let there be less light: how to darken your relations with your neighbors. Oltion, Jerry Mar 1, 2017 574
Against all odds: despite fire damage, light pollution, a bright moon, and a filthy mirror, the night was an outstanding success. Hazlet, John Mar 1, 2017 594
Sky watch. Brief article Jan 1, 2017 149
The first black holes: astronomers are laboring to discover how the universe's first supermassive black holes were born. Carlisle, Camille M. Jan 1, 2017 3434
A river full of galaxies: plumb the galactic depths of Eridanus this month. French, Sue Jan 1, 2017 1623
The first pulsing white dwarf: how amateurs helped professional astronomers make a major discovery. Hambsch, Franz-Josef Jan 1, 2017 577
The case of curiosity and the night sky: relationship between noctcaelador and three forms of curiosity. Kelly, William E.; Daughtry, Don Report Dec 22, 2016 2003
World found around Proxima Centauri. Carlisle, Camille M. Dec 1, 2016 1075
November 1991. Sinnott, Roger W. Brief article Nov 1, 2016 162
Small scope asterisms: learn about the stories behind these whimsical star patterns & where to find them. Stratton, Troy Nov 1, 2016 2185
Diamond anniversary: Mark the occasion with an exploration of royal riches. Schaaf, Fred Nov 1, 2016 646
Pulsing stars in Cepheus: check in on these happening stars, both famous and obscure. Nov 1, 2016 1047
Scoping the Tints of Uranus and Neptune. Beatty, J. Kelly Nov 1, 2016 512
"Last contact": Percival Lowell made his final observation 100 years ago this month. Sheehan, William Nov 1, 2016 1134
Circling Northern Lacerta: an abundance of deep-sky sights reside in this tiny constellation. Nov 1, 2016 1532
The dark creatures of Cepheus: up the aperture to track down the Seahorse and Elephant Trunk Nebulae. Whitman, Alan Nov 1, 2016 1105
Exoplanets: 5th planet. Aceves, Ana V. Brief article Sep 1, 2016 166
Light echoes map planet-forming disk. Young, Monica Brief article Sep 1, 2016 187
Cosmic structure: Protocluster spotted. Aceves, Ana V. Brief article Sep 1, 2016 195
Observing through a truly large telescope: the author and friends enjoyed a memorable night of observing through what was once the world's largest telescope. Naeye, Robert Sep 1, 2016 3304
Strong prospects for weak lensing: astronomers are mapping tiny distortions in the images of distant galaxies to study the invisible --dark matter and dark energy. Schilling, Govert Sep 1, 2016 3046
Sky at a glance. Brief article Sep 1, 2016 303
City of a million stars. Wedel, Mathew Brief article Sep 1, 2016 310
Parting ways: Mercury & Jupiter exit, but Venus, Mars, and Saturn still grace the nightfall. Sep 1, 2016 951
Map asteroid shapes by video. Wilds, Richard P. Sep 1, 2016 1343
Uranus ascending: careful observing reveals this distant planet as more than a simple disk. Bailey, Kevin Sep 1, 2016 1231
Lonely hearts of summer: visit some of these less-frequented destinations this season. French, Sue Sep 1, 2016 1569
Sky watch. Brief article Sep 1, 2016 114
Galactic: distant dwarf discovered with ALMA. Young, Monica Brief article Aug 1, 2016 191
Did Fermi detect LIGO's merging black holes. Carlisle, Camille M. Brief article Aug 1, 2016 211
Big Bird Neutrino came from blazar? Carlisle, Camille M. Brief article Aug 1, 2016 134
A million stars: crashing code, unasked-for black holes, and months of work lost to mistakes--astrophysicists battled many foes in their quest to create the Holy Grail of star cluster simulations. Skuse, Benjamin Aug 1, 2016 2584
Meet the Minkowskis: the Minkowski catalog of planetary nebulae will keep you at the eyepiece for years to come. Forte, Ted Aug 1, 2016 2029
Visual filters for deep-sky observing. Mollise, Rod Aug 1, 2016 1824
A do-it-yourself: relativity test: using off-the-shelf equipment during next year's total solar eclipse, you can prove that Einstein really was right. Bruns, Donald Aug 1, 2016 1932
The Great American Eclipse of the 19th century: in the summer of 1878, astronomers and tourists were newly ready to swarm into the Wild West. Sheehan, William Aug 1, 2016 2262
Lasso the Lizard. Wedel, Mathew Brief article Aug 1, 2016 257
Summertide sailing: search for treasure as you navigate the Milky Way river. Schaaf, Fred Aug 1, 2016 642
August's double convergences: observe a series of planetary get-togethers this month. Schaaf, Fred Aug 1, 2016 893
Perseids to get a Jupiter boost? After the Moon sets, the Perseid meteors could be unusually rich. Rao, Joe Aug 1, 2016 1091
Resolve a star's disk naked-eye! Dunham, David Aug 1, 2016 1087
A blue-sky Aldebaran occultation on August 25th. Dunham, David Brief article Aug 1, 2016 130
Scutum's gems: part the misty vapors of the Milky Way to find these glorious objects. French, Sue Aug 1, 2016 1525
August 1991: resolving stars' disks. Sinnott, Roger W. Brief article Aug 1, 2016 168
Impact on Jupiter? Beatty, J. Kelly Jul 1, 2016 459
Hot days, hotter nights on 55 Cancri e. Young, Monica Brief article Jul 1, 2016 237
Rare super spirals discovered. Carlisle, Camille M. Jul 1, 2016 393
Hubble finds most distant galaxy yet. Young, Monica Brief article Jul 1, 2016 153
Planet in the Hyades. Carlisle, Camille M. Brief article Jul 1, 2016 167
Stellar shell in galaxy's halo. Young, Monica Brief article Jul 1, 2016 208
Spin gauged, duo confirmed. Zeyher, Allen Brief article Jul 1, 2016 217
Revealing Jupiter's inner secrets: NASA scientists hope their Juno orbiter will get the "inside story" on our solar system's largest planet. Bagenal, Fran Jul 1, 2016 3007
The mystery of fast radio bursts. Hall, Shannon Jul 1, 2016 2633
Cold, dark, deep: spend the summer with the absorption nebulae of Aquila. Wilds, Richard P. Jul 1, 2016 2021
Sky at a glance. Brief article Jul 1, 2016 326
The false Albireo. Wedel, Mathew Jul 1, 2016 288
Sailing a starry river: take a journey down the summer Milky Way. Schaaf, Fred Column Jul 1, 2016 644
Full house: every planet in the solar system makes an appearance this month. Schaaf, Fred Jul 1, 2016 793
Pluto has the last laugh: for a non-planet, Pluto sure shows some amazing planetary traits. MacRobert, Alan Jul 1, 2016 1464
Filters for enhancing the planets: these affordable observing accessories can bring out details when you observe bright planets. Dobbins, Thomas Jul 1, 2016 2053
Starry swarms: tour the great star cities of southern Ophiuchus. French, Sue Jul 1, 2016 1560
A Herculean challenge: test your skills with this ambitious array of galaxies. Gottlieb, Steve Jul 1, 2016 1316
Making it special: or, how to win over a crowd of eager observers when there's nothing to see. Orion, Eden Jul 1, 2016 545
Brightest supernova baffles astronomers. Young, Monica Brief article Jun 1, 2016 268
Giant cloud's gas native to our galaxy. Carlisle, Camille M. Jun 1, 2016 340
Hubble sheds light on "diamond planet.". Young, Monica Brief article Jun 1, 2016 128
Repeating radio signal from space. Hall, Shannon Brief article Jun 1, 2016 166
Stars form in turbulent times. Hall, Shannon Brief article Jun 1, 2016 160
Galaxies hide behind the Milky Way. Carlisle, Camille M. Brief article Jun 1, 2016 319
The Elusive B Cassiopeiae: in which we track and capture a supernova remnant. Tosteson, David Jun 1, 2016 2317
Leo by night, Lions by day: travel to the Heart of Africa's National Parks for an observing adventure of a lifetime. Howes, Nick Jun 1, 2016 1537
A starry shoe. Wedel, Mathew Brief article Jun 1, 2016 301
Three planet night: Jupiter, Saturn, and Mars shine in the dark, Mercury peeks up at dawn. Schaaf, Fred Jun 1, 2016 875
Hunt the moons of Mars: with Mars now big and close, try for Phobos and Deimos. MacRobert, Alan Jun 1, 2016 3309
The ABCs of lunar craters: the alphabet plays a key role in identifying features on the moon. Wood, Charles A. Jun 1, 2016 1046
Thistledown: grab hold of these galactic wisps in Virgo. French, Sue Jun 1, 2016 1524
An unexpected bloom: take a fresh look at M20, the Trifid Nebula. Banich, Howard Jun 1, 2016 1255
75, 50 & 25 years ago. Sinnott, Roger W. May 1, 2016 455
Hunting for planets around Proxima Centauri. Dickinson, David Brief article May 1, 2016 152
Gullies triggered by dry ice? Beatty, J. Kelly May 1, 2016 338
Galactic hit-and-run. Hall, Shannon Brief article May 1, 2016 294
Limit on Black Hole Gluttony. Zeyher, Allen Brief article May 1, 2016 155
Spotting "twins" of Eta Carinae. Carlisle, Camille M. May 1, 2016 346
The disappearing quasar. Young, Monica Brief article May 1, 2016 322
Two cool galaxies: the incomparable M81 and M82. Banich, Howard May 1, 2016 2043
Untwinkling the stars: how did the world's largest telescopes conquer the tempestuous atmosphere? Hall, Shannon May 1, 2016 3077
Anomalous appearances: how will your observations of the Mercury transit stack up to the historical record? Dobbins, Thomas May 1, 2016 1296
May 2016. Calendar May 1, 2016 237
Two in the Dipper's handle. Seronik, Gary Brief article May 1, 2016 281
The tale of all tails: from comets to constellations, May is the month for celestial tails. Schaaf, Fred May 1, 2016 664
Mars comes close: Mars gives us our closest look in a decade, while Mercury puts on a show. Schaaf, Fred May 1, 2016 936
The May 9th transit of Mercury: the littlest planet will cross the enormous Sun for viewers in most of the world. MacRobert, Alan May 1, 2016 852
Daily Jupiter events. MacRobert, Alan May 1, 2016 593
Lunar occultation. MacRobert, Alan Brief article May 1, 2016 108
Get a leg up on Ursa Major! Take advantage of the Big Bear's wealth of galaxies this month. French, Sue May 1, 2016 1470
Highway to heaven: traveling for astronomy can bestow uncommon, and unforeseen, benefits. Bryant, Greg May 1, 2016 577
Runaways' telltale shocks. Hall, Shannon Apr 1, 2016 347
Aussie amateur finds dwarf. Beatty, J. Kelly Brief article Apr 1, 2016 305
Two types of binary. Hall, Shannon Brief article Apr 1, 2016 252
Exiled Exoplanet. Young, Monica Brief article Apr 1, 2016 141
Hubble Peers into Exoplanet Clouds. Young, Monica Brief article Apr 1, 2016 157
Kepler's giant candidates: real or not? Young, Monica Apr 1, 2016 511
Charting 70,000 stars' ages. Young, Monica Brief article Apr 1, 2016 278
Our two-faced moon: planetary scientists still don't know why one side of earth's satellite looks so different from the other. Spudis, Paul D. Apr 1, 2016 2375
Mapping the universe's: ancient sound waves. Eisentein, Daniel Apr 1, 2016 2546
Big fish, small tackle: grab your binoculars and drop a line in the deep pool of the Virgo galaxy cluster. Wedel, Mathew Apr 1, 2016 2398
Star parties in the 21st century. Mollise, Rod Apr 1, 2016 2812
M46 & M47 in Puppis. Seronik, Gary Brief article Apr 1, 2016 286
A secret flame: find an individual hidden among the thousands. Schaaf, Fred Apr 1, 2016 624
Four fine planets: April spreads a variety of sights along the ecliptic. Schaaf, Fred Apr 1, 2016 876
At last, a fine Mars apparition: Mars moves into its best showing in a decade. MacRobert, Alan Apr 1, 2016 1811
Daily events at Jupiter. Apr 1, 2016 1802
A topographic excursion: curious features surround the Moon's iconic Straight Wall. Wood, Charles A. Apr 1, 2016 999
A starry sickle: bright stars and strange galaxies hide in Leo's regal mane. French, Sue Apr 1, 2016 1544
Living in a wavy universe. Delio, Ilia Column Mar 25, 2016 1183
Babylonian AP math. Brief article Mar 21, 2016 134
Babylonians used fancy geometry: ancients had remarkably modern way to track Jupiter. Bower, Bruce Mar 5, 2016 509
Solar system: most distant object found. Beatty, J. Kelly Mar 1, 2016 351
Mars: Phobos: future ring around the red planet? Beatty, J. Kelly Brief article Mar 1, 2016 163
Extragalactic Gamma rays. Carlisle, Camille M. Brief article Mar 1, 2016 174
Galaxies: astronomers take M87's pulse. Carlisle, Camille M. Mar 1, 2016 373
Milky Way: young stars in an old bulge. Young, Monica Brief article Mar 1, 2016 292
Exoplanets: watching young worlds grow. Young, Monica Brief article Mar 1, 2016 178
Stellar: massive star forms from disk. Young, Monica Brief article Mar 1, 2016 111
Could it be? We need to learn how to talk about possible signs of E.T. intelligence. Grinspoon, David Column Mar 1, 2016 597
The not-so-great red spot: after shrinking in size for decades, is Jupiter's iconic Great Red Spot facing an identity crisis? Simon, Amy A. Mar 1, 2016 2019
The spiral arms of spring: embrace the wonders of these grand design galaxies. Whitman, Alan Mar 1, 2016 2631
A marathon bino session. Seronik, Gary Brief article Mar 1, 2016 283
The power of two: stellar pairings offer a beauty of their own. Schaaf, Fred Mar 1, 2016 661
Jove at best, with followers: brightest Jupiter rises at dusk, Mars and Saturn at midnight. Mar 1, 2016 802
What's to see on Jupiter: shining from the legs of Leo, the giant planet is closest in February and March. MacRobert, Alan Mar 1, 2016 812
Daily Jupiter events. Mar 1, 2016 2209
Spotting super-thin moons: learn the where and when to look for dramatically thin lunar crescents. Fleming, Tom Mar 1, 2016 1287
Galaxies in the Beehive: a small swarm buzzes inside the famous star cluster. Forte, Ted Mar 1, 2016 1499
Electronic eyes: increase your telescope's reach with an astrovideo camera. Macchioni, Curtis Vincent Mar 1, 2016 2047
Black holes: how flares happen. Carlisle, Camille M. Brief article Feb 1, 2016 300
Stellar: magnetic fields weaken stars' inner sloshing. Young, Monica Brief article Feb 1, 2016 315
Closest star-shredding black hole. Carlisle, Camille M. Brief article Feb 1, 2016 170
Into the heart of the Milky Way: when astronomers tuned in to watch our galaxy's supermassive black hole feed, they found more (and less) than they expected. Haggard, Daryl; Bower, Geoffrey C. Feb 1, 2016 3330
Jupiter blazes in the night: look to the morning for the other bright planets. Schaaf, Fred Feb 1, 2016 851
Redder stars in Orion. MacRobert, Alan Feb 1, 2016 2631
A new angle on Crisium: how did the distinct oval on the Moon's eastern limb come to exist? Wood, Charles A. Feb 1, 2016 796
Lepus, a hare-raising tale: can there be too much of a good thing for winter observers? French, Sue Feb 1, 2016 1473
Hunting beneath the dog: or, how to catch a galaxy in Canis Major, Lepus, and Columba. Jakiel, Richard Feb 1, 2016 1387
Becoming a sky person: how to navigate your way into amateur astronomy. MacRobert, Alan Jan 1, 2016 933
Moon in motion: how to use a ping-pong perspective to understand lunar phases. Schaaf, Fred Jan 1, 2016 1791
January 1966: Lunar Observatory. Sinnott, Roger W. Brief article Jan 1, 2016 113
January 1991: our galaxy's core. Sinnott, Roger W. Brief article Jan 1, 2016 118
Pluto: close-up of a binary dwarf planet. Beatty, J. Kelly Jan 1, 2016 485
Comets: Churyumov-Gerasimenko began as two comets. Carlisle, Camille M. Brief article Jan 1, 2016 237
Black holes: new evidence for binary quasar. Carlisle, Camille M. Jan 1, 2016 402
Sun: resonant waves might heat corona. Carlisle, Camille M. Brief article Jan 1, 2016 298
Stellar: white dwarfs with hiccups. Guerrero, Natalia Brief article Jan 1, 2016 276
Wanted: 90 minutes of totality: solar scientists hope an armada of amateur astrophotographers can record the inner corona's evolution throughout the 2017 total solar eclipse. Penn, Matt Jan 1, 2016 1566
A stellar cascade. Seronik, Gary Brief article Jan 1, 2016 274
New Year's celebration: Venus and Saturn come together for a close conjunction early in January. Schaaf, Fred Jan 1, 2016 873
Quads to come out of hiding: the least-observed major meteor shower should be in plain sight this year. MacRobert, Alan Jan 1, 2016 500
An easy Aldebaran occultation. MacRobert, Alan Jan 1, 2016 427
Daily Jupiter sights. MacRobert, Alan Jan 1, 2016 624
Asteroid occultations. MacRobert, Alan Jan 1, 2016 1476
The definitive barred spiral--NGC 1365: the only thing as amazing as a supermassive black hole is the galaxy that surrounds it. Banich, Howard Jan 1, 2016 1444
Monsters in the dark: despite their size, there's no need to fear giant elliptical and cD galaxies: Perseus Cluster. Jakiel, Richard Jan 1, 2016 1898
Binocular holiday: take a guided tour of the Milky Way's top attractions. Wedel, Mathew Dec 1, 2015 2444
Sky at a glance. Calendar Dec 1, 2015 244
Planetary Almanac. Calendar Dec 1, 2015 662
The zero hour: the Greek hero Perseus leads us to his secret stellar stash. Schaaf, Fred Dec 1, 2015 645
The before breakfast club: you'll need to be up and out early to catch December's planetary happenings. Schaaf, Fred Dec 1, 2015 948
Morning action at Jupiter. MacRobert, Alan Calendar Dec 1, 2015 1771
Humorum in the eyepiece: here's a medium-size lunar basin that's packed with interesting geologic features observable through your telescope. MacRobert, Alan Dec 1, 2015 956
Night's serenity: the jewels of Cassiopeia sparkle on a peaceful winter night. French, Sue Dec 1, 2015 1433
November-December 1940. Sinnott, Roger W. Brief article Nov 1, 2015 213
November 1990. Sinnott, Roger W. Brief article Nov 1, 2015 137
Dawn reveals Ceres' bright spots, haze. Poore, Emily Nov 1, 2015 404
Gigantic protogalaxy in the cosmic web. Carlisle, Camille M. Nov 1, 2015 425
Lonely explosions between galaxies. McGovern, Anne Brief article Nov 1, 2015 175
Aurora on a dwarf star. Carlisle, Camille M. Brief article Nov 1, 2015 133
Microlensing world confirmed. Carlisle, Camille M. Brief article Nov 1, 2015 269
Earth cousin really earth-like? Young, Monica Brief article Nov 1, 2015 245
Buckyballs help solve interstellar mystery. Young, Monica Brief article Nov 1, 2015 165
Closest rocky exoplanet discovered. Young, Monica Brief article Nov 1, 2015 137
Dwarf planet occults star in Sagittarius, teams head south. Beatty, J. Kelly Nov 1, 2015 319
Superflares. Bobra, Monica Nov 1, 2015 2270
The uneven double stars project: contribute your data to this ongoing observing endeavor. Haas, Sissy Nov 1, 2015 2325
In praise of Pisces: a dim zodiac constellation offers some surprising attractions. Schaaf, Fred Nov 1, 2015 711
The morning show: early risers will enjoy the best views of November's solar system happenings. Schaaf, Fred Nov 1, 2015 944
Taurid fireball alert: if you see a really bright autumn meteor, note its direction of flight. MacRobert, Alan Nov 1, 2015 375
Action at Jupiter. MacRobert, Alan Nov 1, 2015 526
The coming Mars apparition. MacRobert, Alan Brief article Nov 1, 2015 221
Love of night: Lacerta, the Lizard, leads us to a surprising stellar bounty. French, Sue Nov 1, 2015 1513
Fresh eyes: a visit to the 1 Arietis region after eye surgery gives a new look to old objects. Whitman, Alan Nov 1, 2015 1267
Magnifying the cosmos: using general relativity to see deep into space. Crockett, Christopher Oct 17, 2015 2967
Dark galaxies suffuse coma ... Young, Monica Brief article Oct 1, 2015 198
... and mystery of dust-poor early galaxies. Carlisle, Camille M. Oct 1, 2015 412
Hot Jupiter stratospheres explained? McGovern, Anne Brief article Oct 1, 2015 133
The next blue dot: astronomers are working to directly image alien Earths, with several promising space missions in development. Belikov, Ruslan; Bendek, Eduardo Oct 1, 2015 3168
Making massive stars: researchers are refining the recipe for some of the brightest stars in the night sky. Young, Monica Oct 1, 2015 3096
A few of my favorite things: a sense of wonder and a good imagination will aid you in this tour of Pegasus galaxy groups. Forte, Ted Oct 1, 2015 2836
Sky at a glance. Brief article Oct 1, 2015 252
Two Delphinus variables. Seronik, Gary Brief article Oct 1, 2015 298
A climax of conjunctions: three bright planets converge in grand groupings at dawn. Schaaf, Fred Oct 1, 2015 887
The fickle Draconids: watch for slow, unusual meteors that may show up on October 8-9. MacRobert, Alan Oct 1, 2015 359
Vesta, the brightest asteroid. MacRobert, Alan Brief article Oct 1, 2015 104
A blue-sky occultation. MacRobert, Alan Oct 1, 2015 479
Action at jupiter. MacRobert, Alan Oct 1, 2015 519
Asteroid occupations. MacRobert, Alan Oct 1, 2015 1501
A corner of Imbrium: in just one telescopic view, you can retrace more than 4 billion years of lunar history. Wood, Charles A. Column Oct 1, 2015 900
Millions together: the stars gather close in the southern wing of Cygnus the Swan. French, Sue Oct 1, 2015 1402
Small globular, tiny galaxies: the area around NGC 7006 in Delphinus is interesting and challenging. Hewitt-White, Ken Oct 1, 2015 1723
Taking the bait. Tyson, Peter Editorial Sep 1, 2015 442
September's total lunar eclipse: the whole western world can see the eclipse of September 27-28. MacRobert, Alan Sep 1, 2015 1661
Sky at a glance. Calendar Sep 1, 2015 284
A Cygnus double delight. Seronik, Gary Brief article Sep 1, 2015 301
Planetary almanac. Calendar Sep 1, 2015 621
Stars for a moonlit night: a total lunar eclipse brings out a sky full of stars. Schaaf, Fred Column Sep 1, 2015 635
Flames at dawn: look to the early morning for the best showing of bright planets. Sep 1, 2015 897
It's Uranus-Neptune season: the haunters of the outer dark are returning. Sep 1, 2015 1379
A serpent's tale: look east of Ophiuchus for more starry discoveries. French, Sue Sep 1, 2015 1448

Terms of use | Privacy policy | Copyright © 2020 Farlex, Inc. | Feedback | For webmasters