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RhysW

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black-hole
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11 Answers

Votes Activity Newest
20
How are black holes found?
Sep 25 '13 at 16:21
13
I live in an area with a lot of light pollution, how can I view the stars without building an observatory?
Oct 1 '13 at 14:48
12
Why does the Moon seem larger when it is close to the horizon?
Sep 26 '13 at 11:11
11
What is the formula to predict lunar and solar eclipses accurately?
Sep 26 '13 at 12:50
11
Are there ways other than the collapse of a star which have been observed to form black holes?
Sep 25 '13 at 16:06
10
What physical features determine if a planet is a major, minor or dwarf planet?
Sep 26 '13 at 8:42
10
What is the current accepted theory for Neptune's immense wind speed?
Sep 25 '13 at 13:13
7
How hot must a star get before it is considered to be a star?
Sep 25 '13 at 14:23
6
What evidence is there of Earth-Like internal features of Europa?
Sep 27 '13 at 10:00
5
How do we detect if a planet has a liquid core?
Oct 16 '13 at 12:39
2
What is the evidence that galaxies rotate?
Sep 27 '13 at 10:29
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