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Science

at140

(6,110 posts)

9. True, true, but what really boggles my mind is...

Reply to lapfog_1 (Reply #7)

Sun Dec 29, 2019, 08:47 PM

Dec 2019

how sparsely the universe is populated. Even spacecraft travelling at supersonic speeds, it would require multiple generations of human beings to reach the NEAREST solar system in the Milky Way.

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Is Betelgeuse, one of the sky's brightest stars, on the brink of a supernova? [View all] at140 Dec 2019 OP

Normally +0.5 magnitude, it is now +1.5 magnitude (the more positive the mag, the dimmer it is) progree Dec 2019 #1

Amazing pictures, thanks! at140 Dec 2019 #5

at least whatever happened, happened 650 years ago. lapfog_1 Dec 2019 #2

The vastness of universe boggles the mind! at140 Dec 2019 #4

that said, it's actually quite nearby in terms of the universe lapfog_1 Dec 2019 #7

True, true, but what really boggles my mind is... at140 Dec 2019 #9

Launched in September of 1979 - Voyager 1 lapfog_1 Dec 2019 #10

Touche! This beautiful blue planet is all there is at140 Dec 2019 #11

Dup eppur_se_muova Dec 2019 #3

No radiation though SCantiGOP Dec 2019 #6

On the other hand, if we collectively say its name three times in a row lapfog_1 Dec 2019 #8