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Results tagged with Search options questions only user 1030

Questions regarding the closest star to Earth, at the centre of the Solar System.

8
votes
1answer
Given the studies of the Sun and similar stars and the most impressive understanding of its physics, is there any kind of probability distribution for its dangerous behavior? There are also some histo …
asked Jan 18 '15 by LocalFluff
3
votes
1answer
There's a limit to how well sunlight can be focused by a parabolic reflector or a lens because the Sun is not a point source. I wonder if the sunlight could be engineered to work as if it was (much mo …
asked Jun 9 '14 by LocalFluff
4
votes
1answer
A large fraction (a third?) of all comets found (with observational bias thanks to SOHO) have been sungrazers, breaking up with perihelion of a few of Sun's radius. Is there reason to believe that thi …
asked Nov 7 '15 by LocalFluff
18
votes
2answers
Interstellar exchange of massive objects is difficult across several light years. But as the stars orbit the galaxy the distances between them change. I don't find data for neighbor star distances whi …
asked Jun 2 '14 by LocalFluff
2
votes
1answer
There's no lack of photons, how well could a telescope resolve Sun spots and other surface features of the Sun? How would a high resolution Solar (space) telescope differ from for example Hubble which …
asked Nov 25 '17 by LocalFluff