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2 questions
4
votes
1
answer
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Is there something close to a consensus on Earth-Sun annual distance increase (speed)?
I've seen estimates varying by an order of magnitude, e.g. (New Scientist)
Having such a precise yardstick allowed Russian dynamicists Gregoriy A. Krasinsky and Victor A. Brumberg to calculate, in ...
47
votes
2
answers
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Does the sun cross other spiral arms in its movement around the galaxy's center?
Today, Ansa.it released an article that states:
[...]. In questo suo peregrinare galattico, il Sole ha attraversato anche
i due bracci della Via Lattea Perseo e Centauro. "Sono zone di alta
...
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