Astronomy
ASTRONEWS FAST FAC T WWW.ASTRONOMY.COM 21 Astronomers believe that supermassive black holes at the centers of galaxies “flicker” ...
22 ASTRONOMY • MAY 2018 Recent observations reveal that chaos and mayhem ruled our planetary system’s first days. by Jesse Emspa ...
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24 ASTRONOMY • MAY 2018 N NOT LONG AGO, THE ORIGIN OF THE SOLAR SYSTEM SEEMED AN ORDERLY AFFAIR. A cloud of dust and gas coalesc ...
WWW.ASTRONOMY.COM 25 ten-thousandths of our planet. All that material had to go somewhere. Then, there’s the debris one would ex ...
Resonant KBOs Scattered disk Detached Classical KBOs 40° 60° 80° 20° 0 50 100 150 Astronomical units Sun 20° 26 ASTRONOMY • MAY ...
Asteroids Uranus Neptune Comets Jupiter Saturn Jupiter forms Jupiter migrates inward Saturn migrates to 3:2 resonance; formation ...
28 ASTRONOMY • MAY 2018 An organically early 2017, the two of us, along with a few others, refreshed the debate on the definitio ...
WWW.ASTRONOMY.COM 29 Should we really define a word by voting? by Kirby D. Runyon and S. Alan Stern grown hydrostatic equilibriu ...
In 2014, NASA released this updated version of the iconic Hubble Ultra Deep Field image. The original zoomed in on a tiny sectio ...
WWW.ASTRONOMY.COM 31 DATA In 1964 astronomers Arno A. Penzias and Robert W. Wilson found themselves cleaning pigeon poop out of ...
32 ASTRONOMY • MAY 2018 comet. Engineer Linda Morabito found volcanoes on Io while fiddling with image contrast to better see th ...
WWW.ASTRONOMY.COM 33 problem is finding the things you don’t expect, which hide among the things you can recognize and the noise ...
8m-class telescope LSST 8 m 8.4 m Primary mirror diameter Field of view 0.2° 3.5° Full Moon is 0.5° 34 ASTRONOMY • MAY 2018 With ...
WWW.ASTRONOMY.COM 35 Galaxy Zoo, the public is asked to iden- tify the type of galaxy shown: Is it a disk? Is it edge-on? Is the ...
Looking southeast May 8, 11 P.M. 10° Antares Jupiter Spica Arcturus OPHIUCHUS SCORPIUS LIBRA CORVUS VIRGO Jupiter at its best (^ ...
Radiant 10° May 6, 4 A.M. Looking east Enif Altair PEGASUS AQUARIUS CAPRICORNUS AQUILA CYGNUS d Eta Aquariid meteor shower Furne ...
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PATHOF THE PLANETS The planets in the sky These illustrations show the size, phase, and orientation of each planet and the two b ...
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