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  • 15 votes cast
Sep
28
accepted Why can't we detect water on Mars in the same way as in exoplanets?
Sep
26
comment Why can't we detect water on Mars in the same way as in exoplanets?
@user2481 so that means we can employ this transmission spectroscopy to scan Venus but not for Mars?
Sep
25
asked Why can't we detect water on Mars in the same way as in exoplanets?
Feb
24
awarded  Student
Feb
24
awarded  Scholar
Feb
24
accepted Age of the universe
Feb
24
comment Age of the universe
@chaonomy, Your explanation about galaxy rotation is interesting. Let's see what others think about this. Thanks!
Feb
24
awarded  Supporter
Feb
24
comment Age of the universe
This is a sound explanation. Let's see what others think about this. Thanks.
Feb
24
comment Age of the universe
Looking at the distribution of stars in the Milkyway, I thought it would require more stirring than 50 times.
Feb
23
asked Age of the universe