User RhysW

19

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answers

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Does the Sun rotate?

Apr 10 '18 at 15:20 Eswar Chan UT 1

8

33

votes

1

answer

8k

views

Why do the planets in our solar system orbit in the same plane?

orbit planet solar-system celestial-mechanics

Sep 17 at 14:13 called2voyage♦ 5,815

5

22

votes

4

answers

32k

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Does the Sun belong to a constellation?

the-sun constellations

Feb 8 '16 at 3:26 Community♦ 1

22

votes

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answer

5k

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Why do some planets have rings?

neptune uranus saturn jupiter planetary-ring

Jan 13 '16 at 10:21 ChrisF 1,079

2

22

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765

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Why is the Hubble Telescope in space?

hubble-telescope

Oct 31 '13 at 19:32 Donald.McLean♦ 994

21

votes

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answer

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Is the moon moving further away from Earth and closer to the Sun? Why?

the-moon gravity

Sep 9 '17 at 15:10 Community♦ 1

19

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2

answers

3k

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Why do stars appear to twinkle?

star earth

Jun 12 '14 at 1:26 Aaron 1,415

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1

answer

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What does it mean for a star to go nova or supernova? Can I safely observe these?

star supernova

Nov 15 '13 at 15:44 Community♦ 1

1

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Do other planets in our solar system experience eclipses or is this unique to Earth?

the-moon the-sun earth

Oct 19 '13 at 21:20 Becky Ericson 343

1

18

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3

answers

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What is the difference between asteroids, comets and meteors?

asteroids comets meteor meteorite

Sep 15 at 16:08 Patrick 508

5

16

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1

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484

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What is a White Hole?

white-hole

Jun 1 '17 at 15:24 noone 1

1

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1k

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What is radiation pressure and how does it prevent a star from forming?

star formation radiation

Oct 31 '13 at 21:41 Community♦ 1

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3

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3k

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How old is our Sun in Galactic years?

the-sun orbit

Mar 25 '16 at 11:38 Astrofun 64

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3

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2k

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How can I safely observe a Solar Flare?

amateur-observing observational-astronomy solar-flare

Dec 15 at 0:25 James K 62k

1

13

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answer

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What is the relevance of the Tropics and the Polar Circles? Do they Exist on other planets?

planet earth

Sep 26 '13 at 11:09 damned truths 985

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What are the Earth-like features of Titan?

earth-like-planet titan

Sep 26 '13 at 0:14 Community♦ 1

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How much of an effect does the moon have on Earth's liquid mantle?

the-moon earth tidal-forces

Nov 21 '17 at 20:58 ljpitcher77 1

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2

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688

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Why does Mars appear to retreat across the sky?

earth mars

Sep 15 '16 at 2:07 Ken G 4,951

11

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1

answer

338

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What might cause a planet to have a significant tilt in their orbit?

orbit planet

Oct 27 '13 at 3:24 Community♦ 1

11

votes

1

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212

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Dealing with damp and dew whilst stargazing at night or in the early morning

telescope-lens telescope-care

Oct 25 '13 at 3:57 Moriarty 2,165

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votes

1

answer

493

views

How can I clean my lenses without causing scratching or damages to the lens surface?

telescope-lens telescope-care

Oct 25 '13 at 3:22 Moriarty 2,165

2

9

votes

1

answer

4k

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What is the origin of the OBAFGKM classification system?

star classification

Dec 15 at 0:10 James K 62k

6

votes

1

answer

1k

views

Can we calculate the average temperature of the heliosphere?

solar-system temperature

May 2 '16 at 0:03 HDE 226868♦ 29.2k

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23 Questions

Does the Sun rotate?

Why do the planets in our solar system orbit in the same plane?

Does the Sun belong to a constellation?

Why do some planets have rings?

Why is the Hubble Telescope in space?

Is the moon moving further away from Earth and closer to the Sun? Why?

Why do stars appear to twinkle?

What does it mean for a star to go nova or supernova? Can I safely observe these?

Do other planets in our solar system experience eclipses or is this unique to Earth?

What is the difference between asteroids, comets and meteors?

What is a White Hole?

What is radiation pressure and how does it prevent a star from forming?

How old is our Sun in Galactic years?

How can I safely observe a Solar Flare?

What is the relevance of the Tropics and the Polar Circles? Do they Exist on other planets?

What are the Earth-like features of Titan?

How much of an effect does the moon have on Earth's liquid mantle?

Why does Mars appear to retreat across the sky?

What might cause a planet to have a significant tilt in their orbit?

Dealing with damp and dew whilst stargazing at night or in the early morning

How can I clean my lenses without causing scratching or damages to the lens surface?

What is the origin of the OBAFGKM classification system?

Can we calculate the average temperature of the heliosphere?