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Science

SleeplessinSoCal

(9,082 posts)

10. I wonder how vast we thought the universe was in 1968...

Reply to lastlib (Reply #9)

Fri Jul 15, 2022, 01:56 AM

Jul 2022

Didn't know about 1925 being such a breakthrough year.

January 1, 1925: The Day We Discovered the Universe
Thanks to Edwin Hubble, we now can better comprehend the true scale of the universe.

https://www.discovermagazine.com/the-sciences/january-1-1925-the-day-we-discovered-the-universe

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11 replies

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Highlight:

the Carina Nebula looks like a Christmas Card. [View all] SleeplessinSoCal Jul 2022 OP

It certainly does. Looks like a mountain range. dameatball Jul 2022 #1

Why are the backgrounds blue? Deuxcents Jul 2022 #2

Blue skies are due to light diffusion through our predominantly nitrogen atmosphere. Wounded Bear Jul 2022 #3

That's glowing dust making the picture blue there... hunter Jul 2022 #4

I stand corrected. Thanks... Wounded Bear Jul 2022 #5

Thanks hunter n Wounded Bear.. Deuxcents Jul 2022 #6

Totally agree. SleeplessinSoCal Jul 2022 #7

This is the Christmas Card I was thinking of... SleeplessinSoCal Jul 2022 #8

I keep thinking about the movie 2001: A Space Odyssey.... lastlib Jul 2022 #9

I wonder how vast we thought the universe was in 1968... SleeplessinSoCal Jul 2022 #10

Interesting SCantiGOP Jul 2022 #11

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