Science

Rhiannon12866

(232,701 posts) Mon Apr 21, 2025, 12:21 AM Monday

Gaia space observatory bids farewell after a decade of mapping the stars - PBS NewsHour

After more than a decade of mapping billions of stars across the Milky Way and beyond, a groundbreaking spacecraft is retiring. The European Space Agency’s space-based observatory known as Gaia is leaving behind a legacy of stunning discoveries that changed what we know about the universe. John Yang reports. - Aired on 04/20/2025.

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Gaia space observatory bids farewell after a decade of mapping the stars - PBS NewsHour (Original Post) Rhiannon12866 Monday OP

What a wonderful, magnificent tool. Seems like it will take years to decipher all the info.. chouchou Monday #1

I was sure impressed, too - who knows what mysteries we'll learn about? Such groundbreaking information... Rhiannon12866 Monday #2

Told my students recently that Gaia data were on the web. Igel 9 hrs ago #3

Thanks so much! Rhiannon12866 9 hrs ago #4

chouchou

(1,773 posts)

1. What a wonderful, magnificent tool. Seems like it will take years to decipher all the info..

Reply to Rhiannon12866 (Original post)

Mon Apr 21, 2025, 12:44 AM

Monday

I was surprised at the size. Thanks for the post

Rhiannon12866

(232,701 posts)

2. I was sure impressed, too - who knows what mysteries we'll learn about? Such groundbreaking information...

Reply to chouchou (Reply #1)

Mon Apr 21, 2025, 12:51 AM

Monday

Igel

(36,719 posts)

3. Told my students recently that Gaia data were on the web.

Reply to Rhiannon12866 (Original post)

Wed Apr 23, 2025, 10:22 PM

9 hrs ago

Downloadable. Analyzable not based on authority but on science/math chops.

https://gea.esac.esa.int/archive/

(We were discussing galaxy evolution in class and how galaxies grew by cannibalism ... So I tangented and talked about the Gaia Sausage.... Perhaps a bit much for HS .. Most didn't get how the x-y graph didn't show location but velocities. Ah, Gaia. Vera Rubin, you're coming along, another all-sky survey.)

Rhiannon12866

(232,701 posts)

4. Thanks so much!

Reply to Igel (Reply #3)

Wed Apr 23, 2025, 10:30 PM

9 hrs ago

Not only important, but positively amazing!

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