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Forum: Astronomy & Cosmology

The scientific study of matter in outer space and the astrophysical study of the history, structure, and constituent dynamics of the universe..

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Sticky Thread Sticky: Interesting astronomical events and observing tips

Started by ricci70, October 20th, 2008 04:23 AM
2 Pages
1 2
Replies: 131
Views: 38,334
August 28th, 2021, 01:56 PM Go to last post

Sticky Thread Sticky: The basis of modern cosmology

Started by DrRocket, January 4th, 2011 01:05 AM
Replies: 25
Views: 14,870
September 20th, 2011, 05:34 PM Go to last post

Sticky Thread Sticky: Rules on homework help - READ THIS BEFORE POSTING OR HELPING

Started by Dishmaster, November 15th, 2008 01:28 PM
Replies: 0
Views: 26,309
November 15th, 2008, 01:28 PM Go to last post
Replies: 21
Views: 550
January 24th, 2022, 03:15 PM Go to last post

Opposite of FTL Barrier?

Started by zinjanthropos, January 11th, 2022 01:47 PM
Replies: 9
Views: 266
January 19th, 2022, 04:03 AM Go to last post

Can Sirius go supernova?

Started by Kevin_Hall, January 13th, 2022 09:32 AM
Replies: 2
Views: 198
January 13th, 2022, 12:57 PM Go to last post

Can we remake plastic waste into rocket fuel?

Started by Kevin_Hall, January 4th, 2022 02:16 PM
elon musk, fuel, rocket
Replies: 4
Views: 220
January 13th, 2022, 09:59 AM Go to last post

Europa Clippper - A search for life on an icy moon!

Started by Double Helix, January 7th, 2022 01:03 PM
Replies: 0
Views: 180
January 7th, 2022, 01:03 PM Go to last post

Ebb and flow

Started by Kevin_Hall, January 6th, 2022 01:10 PM
attraction, ebb and flow, space
Replies: 2
Views: 185
January 7th, 2022, 11:02 AM Go to last post

Happy New Year from the ISS

Started by Kevin_Hall, December 31st, 2021 11:47 AM
Replies: 1
Views: 224
December 31st, 2021, 04:47 PM Go to last post

How Can the WebbTelescope Orbit L2?

Started by exchemist, December 30th, 2021 04:43 PM
Replies: 1
Views: 244
December 30th, 2021, 07:25 PM Go to last post
Replies: 4
Views: 304
December 26th, 2021, 02:09 PM Go to last post

What if space doesn't exist?

Started by JackWhite, December 24th, 2021 05:59 AM
Replies: 8
Views: 325
December 24th, 2021, 09:08 PM Go to last post

Antimatter hides in the Milky Way

Started by Kevin_Hall, December 23rd, 2021 06:04 AM
space
Replies: 3
Views: 285
December 23rd, 2021, 08:15 PM Go to last post

Interstellar probe planned for new space mission!!

Started by Double Helix, December 21st, 2021 07:43 PM
Replies: 1
Views: 269
December 23rd, 2021, 04:56 AM Go to last post

A question about gravity

Started by Kevin_Hall, December 21st, 2021 10:02 AM
gravitation pull, gravity, space
Replies: 1
Views: 267
December 21st, 2021, 11:22 AM Go to last post

How dark is space?

Started by Kevin_Hall, December 21st, 2021 08:03 AM
space
Replies: 1
Views: 237
December 21st, 2021, 11:03 AM Go to last post

If there is a black hole, somewhere there is a white hole?

Started by Kevin_Hall, December 21st, 2021 07:54 AM
black hole, outter space, space
Replies: 1
Views: 237
December 21st, 2021, 08:55 AM Go to last post

Webb v Hubble

Started by ox, December 19th, 2021 09:30 AM
Replies: 1
Views: 271
December 20th, 2021, 12:43 PM Go to last post

Black hole inside of another black hole?

Started by Kevin_Hall, December 17th, 2021 01:32 PM
Replies: 3
Views: 320
ox
December 19th, 2021, 09:41 AM Go to last post

Voyagers

Started by Kevin_Hall, December 17th, 2021 02:03 PM
Replies: 1
Views: 279
December 17th, 2021, 05:54 PM Go to last post

Gravitational lensing

Started by keeseguy, October 10th, 2021 10:20 AM
Replies: 3
Views: 982
December 15th, 2021, 02:51 PM Go to last post

Imaging X-ray Polarimetry Explorer launched today!!

Started by Double Helix, December 9th, 2021 06:10 PM
Replies: 0
Views: 343
December 9th, 2021, 06:10 PM Go to last post

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