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Browse Astronomical measurement topic


1-36 out of 36 article(s)
Title Author Type Date Words
How Much Does the Milky Way Weigh? Mar 14, 2019 559
Cosmic mismatch. Brief article Oct 1, 2016 183
New method to measure mass in space devised. Brief article Oct 1, 2016 173
Debate persists on cosmic expansion: different methods don't agree on value of Hubble constant. Conover, Emily Aug 6, 2016 1426
Doubt cast on quasars. Brief article Apr 2, 2016 189
Galaxies: astronomers take M87's pulse. Carlisle, Camille M. Mar 1, 2016 373
Twins simplify distance calcs. Hall, Shannon Brief article Dec 1, 2015 277
July-August 1940: Mother of All Spirals. Sinnott, Roger W. Brief article Aug 1, 2015 155
Measuring Earth's shadow: 170 years of crater timings: a very long-running lunar eclipse project reaches fruition. Sinnott, Roger W. Jun 1, 2015 1938
Cosmology: BOSS ruler for the universe. Young, Monica Brief article Apr 1, 2015 307
Resolving the Pleiades' distance ... Beatty, J. Kelly Brief article Dec 1, 2014 275
The H-R diagram's 100th anniversary: this year we celebrate the centennial of one of astronomy's cornerstone achievements. Pasachoff, Jay M. Jun 1, 2014 2320
Synchronizing high-speed optical measurements with amateur equipment. van Staden, Andre Report Jun 1, 2013 3467
Lunar parallax measurement: explained at lower and upper secondary school level. Golez, Tine Oct 1, 2011 2923
New way to measure cosmic distances. Mar 1, 2011 323
Clearing the Cosmic Fog: the most distant Galaxy ever measured. Dec 1, 2010 610
Alternative yardstick to measure the universe. Reich, Eugenie Samuel Dec 1, 2010 830
First steps to double star measurement using visible light interferometry. Williams, Sheridan; Cooper, Alan Report Feb 1, 2009 5161
An ingenious, super-good Cepheid distance. Brief article May 1, 2008 138
Toward the south celestial pole: polar skies also change with the seasons. Bryant, Greg Sep 1, 2007 578
Evening star, morning star: Jupiter dominates the west at dusk, Venus the east at dawn. Schaaf, Fred Sep 1, 2007 1116
The graceful swan: Cygnus is a wonderland for deep-sky observers. French, Sue Table Sep 1, 2007 1567
Cosmic perspectives: how to grasp the true grandeur of deep-sky splendors. Kane, Phillip Table Sep 1, 2007 2218
Black hole spins as fast as it can. Naeye, Robert Brief article Jul 1, 2007 171
Mercury leaps up down under: for Southern Hemisphere viewers, this March the elusive innermost planet puts on its best apparition in ages. Schaaf, Fred Mar 1, 2007 1167
The Moons of Saturn and Jupiter. MacRobert, Alan Table Mar 1, 2007 1286
Bark with the Overdog: there's a lot more to observe in Canis Major than the night sky's brightest star. French, Sue Table Mar 1, 2007 1740
Tilt-a-whirl earth. Flanders, Tony Brief article Feb 1, 2007 122
Measuring the astronomical unit from your backyard: two astronomers, using amateur equipment, determined the scale of the solar system to better than 1%. So can you. Vanderbei, Robert J.; Belikov, Ruslan Jan 1, 2007 1957
A new Comet Levy. Aguirre, Edwin L. Brief article Jan 1, 2007 235
The moons of Saturn and Jupiter. MacRobert, Alan Brief article Jan 1, 2007 281
Brown-dwarf enigma: the first solid brown-dwarf size and mass measurements yield unexpected results. Naeye, Robert May 1, 2006 531
Planetary pretzels: three diagrams show the inner workings of the orbits of Mercury, Venus, and Mars. Gingerich, Owen; Henry, Richard Conn Nov 1, 2005 555
Jupiter's Red Spot. Sinnott, Roger W. Sep 1, 2005 694
Aerosol clouds cool earth. Jun 1, 2005 794
Missing star looks "heavy". Jun 1, 2005 397

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