Giant mirrors in space to reflect sunlight at night? No thank you, astronomers say.
27
votes
Showing only topics with the tag "astronomy".
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Study suggests that the Universe's expansion 'is now slowing, not speeding up'
51 votes -
Shouting at stars: A history of interstellar messages
12 votes -
Influence of the planets may subdue solar activity
11 votes -
Asteroid discovered only two days ago will fly by Earth closer than the moon today
43 votes -
An interstellar comet flew past Mars, and spacecraft took pictures
15 votes -
Face to face with the scale of the cosmos
25 votes