Astronomy Magazine - 50 Greatest Mysteries of the Universe (Gnv64)

8/11/2019 Astronomy Magazine - 50 Greatest Mysteries of the Universe (Gnv64)

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COLLECTOR S EDITION 007

contents

A universe of limitless wonder

..................

6

1 How old is the universe?

2 How big is the universe?

3 How did the Big Bang happen? 12

4 What is dark matter?

......................

14

5 How did galaxies form? 5

6 How common are black holes? 7

7 How many planets are in the solar system?..19

9 What is the fate of the universe? 3

10 What will happen to life on Earth? 4

11 What is dark energy? 6

12 What are gamma-ray bursts?

...............

28

3 Will asteroids threaten life on Earth?

3

14 s water necessary for life? 2

15 s there life on Mars.Titan. or Europa?

4

16 Why did Mars dry out?

.....................

36

17 How did the Moon form? 7

18 Where do meteorites come from? 9

19 Can light escape from black holes?

20 Did stars. galaxies. or black holes

come first?

................................

42

21 Where do cosmic rays come from? 4

22 How are comets and asteroids related?

46

23 How many planets surround other

star systems? 8

24 How many asteroids are locked up in

the Kuiper Belt? ........................... 5

25 Does string theory control the universe? 52

page

26 What creates gravitational waves?.......... 54

27 What happens when black holes collide?

55

28 Why does antimatter exist?

7

29 Are there other planets like Earth? 58

30 Does every big galaxy have a

central black hole?.........................

6

31 Does inflation theory govern the universe? 62

32 Should Pluto be considered a planet? 4

33 Why did Venus turn itself inside.out? 66

34 How could we recognize life elsewhere

in the cosmos?

.............................

69

35 What created Saturn s rings?

36 Could a distant. dark body end life

on Earth? 2

37 Do we live in a multiple universe? 4

38 How did the Milky Way Galaxy form? 75

39 How did the solar system form? ............ 77

40 What happens when galaxies collide?

78

41 How do massive stars explode?

42 What will happen to the Sun?

2

43 Did comets bring life to Earth?............. 84

4 4

How did quasars form? 5

45 Will the Milky Way merge with another

galaxy? 6

46 How many brown dwarfs exist? 8

47 What happens at the cores of

galaxy clusters?

...........................

9

48 Is Jupiter a failed star? 2

49 How many galaxies are in our Local Group? 94

50 Do neutrinos hold secrets to the cosmos?

96

BEAMFUL UNIVERSE

Colorfulgas and dust clouds

envelop the

r

cluLter

NGC

W in the rauhsm

~on tBIlaIion uppis ro


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Documents

Astronomy Magazine - 50 Greatest Mysteries of the Universe (Gnv64)