Astronomy - USA (2020-04)

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CONTENTS 18 4 ASTRONOMY • APRIL 2020 18 Jim Lovell remembers: Triumph over tragedy The famous astronaut recounts Apollo 13 — the ...

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FOLLOW ASTRONOMY http://www.twitter.com/AstronomyMag http://www.facebook.com/AstronomyMagazine 6 ASTRONOMY • APRIL 2020 FROM THE ...

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8 ASTRONOMY • APRIL 2020 ASTRO LETTERS Constellation hunting I love reading your articles on different space-related topics, par ...

WWW.ASTRONOMY.COM 9 A GALACTIC COLLISION Merging galaxies can create familiar shapes in the sky, but only for a short cosmic tim ...

10 ASTRONOMY • APRIL 2020 QUANTUM GRAVITY Astronomers have uncovered 19 small galaxies that appear to be deficient in dark matte ...

galaxies could form in a particular way such that much less dark matter is required than for those in the Local Group [our cosmi ...

N S 1 S 2 12 ASTRONOMY • APRIL 2020 When galaxies merge, so do their super- massive black holes. In the interim, catching two su ...

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14 ASTRONOMY • APRIL 2020 QUANTUM GRAVITY Pulsars are tiny, compact objects called neutron stars that spin rapidly, beaming radi ...

WWW.ASTRONOMY.COM 15 For more, check out Astronomy.com [email protected] 949.215.3777 http://www.astrohaven.com Keeping i ...

16 ASTRONOMY • APRIL 2020 STRANGE UNIVERSE Seeing nothing can be a significant obser- vation. It may even be the key to a celest ...

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18 ASTRONOMY • APRIL 2020 TO THE AVERAGE AMERICAN living in 1970, the space program had become rather humdrum. The previ- ous ye ...

WWW.ASTRONOMY.COM 19 Astronomy: Thank you, Captain Lovell, for joining us today and reminiscing about Apollo 13, whose 50th anni ...

20 ASTRONOMY • APRIL 2020 Fra Mauro. Fra Mauro was sup- posed to be a very informative place with different kinds of materials t ...