Astronomy - USA 2021-04)
The world’s best-selling astronomy magazine http://www.Astronomy.com V ol . (^4) 9 (^) • Is su e 4 Filters for solar viewing p. ...
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CONTENTS 24 4 ASTRONOMY • APRIL 2021 16 COVER STORY The galaxy’s marvelous rogues and misfits From ploonets to blanets to inters ...
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6 ASTRONOMY • APRIL 2021 ASTRO LETTERS Universal achievement Your recent January edition titled “The beginning and end of the un ...
A WWW.ASTRONOMY.COM 7 SUNSPOT SNAPSHOT The Inouye Solar Telescope has released its first image of a sunspot. Since it began oper ...
8 ASTRONOMY • APRIL 2021 QUANTUM GRAVITY December 16 was a momentous day for the China National Space Administration (CNSA): The ...
lander before firing its own rocket motor. CNSA chose this approach to minimize the risk of damaging both the lander and its pre ...
10 ASTRONOMY • APRIL 2021 Galaxies, like people, change as they age. Young galaxies are full of gas and dust that fuel intense s ...
High Low 3 billion 100, 1 million 10 million 100 million 10 billion 30 billion 100 billion Galaxy mass in solar masses B la c k^ ...
12 ASTRONOMY • APRIL 2021 QUANTUM GRAVITY An exoplanet circling two stars 336 light-years away may provide clues about where a l ...
5 mm ேᕤ≀㻫 WWW.ASTRONOMY.COM 13 SURVEY SAYS ... Once a decade, planetary scientists take part in a survey run by the U.S. Nationa ...
14 ASTRONOMY • APRIL 2021 STRANGE UNIVERSE In New York City, it’s prestigious to say that you live on the East Side. Conversely, ...
WWW.ASTRONOMY.COM 15 SECRET SKY Now that the best apparition of Mars in recent memory has passed, I’d like to share some thought ...
16 ASTRONOMY • APRIL ...
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A 18 ASTRONOMY • APRIL 2021 Astronomers have been on a rule-breaking, paradigm- shifting, label-blurring whirlwind of research i ...
Objects are shown as they will appear on April 1, 2021. ‘Oumuamua Borisov Jupiter Mars Saturn Uranus Neptune Pluto WWW.ASTRONOMY ...
B Time ri gh tn es s Rogue planet (lens) Background star (source) B Time rig ht ne ss Lensed image B Time rig h tn es s Lensed i ...
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