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myotis
2 years ago

https://de.wikipedia.org/wiki/Alpha_Centauri

α Cen A is slightly larger, α Cen B is somewhat smaller than our sun and both of us can see = therefore our sun is safe from there …

That Proxima Centauri is too small doesn’t matter…

Pauole
2 years ago

Hello,

that depends on where (; If I stand behind the system, of course I don’t see the sun anymore. If I stand between the two systems, then I can probably see the sun like any other star.

Proxima Centauri therefore cannot be seen as the star is much smaller than the other two stars and the three of us are close to each other so that they appear as a lump. But the sun is just a star.

Good

Silicium58
2 years ago
Reply to  Pauole

Proxima Centauri cannot be seen because the star is much smaller than the other two stars and the three of us are close to each other.

Proxima could also not be observed as single stars, since it is much too weak with a brightness of 11 magnitudes.

Pauole
2 years ago
Reply to  Silicium58

Yes clear (;

Willy1729
2 years ago

Hello,

Our sun has an absolute brightness of 4.84 M. This means that it (clear view and no obstacle, such as a dark cloud between the sun and the place of observation and otherwise dark sky and no objects transilluminating the sun in the vicinity) could be seen with the naked eye – and that from a distance of 10 Parsec or 32.6 light years.

Since it is from Proxima Centauri not 5 light years to the sun and decreases the brightness with the square of the distance, the sun from there appears much brighter and would be as easily recognizable as with us perhaps the Wega.

Best regards,

Willy

Silicium58
2 years ago
Reply to  Willy1729

and would be as easily recognizable as with us perhaps the Wega

Well estimated. The sun from the Centauri system would be a bright star with an apparent brightness of about 0.4 in the constellation Cassiopeia.

Spikeman197
2 years ago

α and β Centauri are similarly large and bright as our sun. Proxima is significantly smaller. Therefore we can definitely see our sun as well in the opposite direction.

You can get from the earth without tools approx. 6000 stars and our sun is quite average.

I assume that most are as average and therefore visible to us because they are so ‘close’ and not because they are so ‘super’ bright. The majority of stars in the Milky Way float in the milky veil from which they have their name…

Ghostdying
2 years ago

Yes, there is only 4.25 LJ away, even if the sun does not appear so large you can still see it.