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Ask A Spaceman Ep. 275: Why Can't the Universe Be Cyclic?
Hosted by Dr. Paul M. Sutter.
What are the weaknesses of inflation theory? How did the ekpyrotic theory attempt to improve it? How did it open up its…
1 month, 2 weeks ago
Astronomy Cast Ep. 6: Ep. 6: More Evidence For the Big Bang
Mon 06: Astronomy Cast Ep. 6: Ep. 6: More Evidence For the Big Bang
http://www.astronomycast.com/archive/
From October 16, 2006.
Last week's episode …
1 month, 3 weeks ago
Travelers in the Night Eps. 895 & 896: Tracking Space Junk & Sneaky But Potentially Dangerous
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of A…
1 month, 3 weeks ago
Equatorial Sky Guide For July
Hosted by our Director, Avivah Yamani.
Discover the highlights of the July 2026 equatorial night sky, including Venus meeting Regulus, Mars and Uranu…
1 month, 3 weeks ago
EVSN - Tracing the Hidden & Revealing the Past
From June 24, 2026.
In this episode we look at the hidden and unexpected geology that may lurk beneath East Antarctica's ice sheet, evidence of past …
1 month, 3 weeks ago
Actual Astronomy - Observer's Calendar For July
Hosted by Chris Beckett & Shane Ludtke, two amateur astronomers in Saskatchewan who enjoy teaching astronomy classes and showing the public views thr…
1 month, 3 weeks ago
H'ad Astra Historia - Ep 304: More 'This Month in Astronomical History' Sedna & Lunokhod
Today's 'guest' is HAD's This Month in Astronomical History. I'll be reading more essays from the archives: Emily McMahon's November 2020 essay title…
1 month, 3 weeks ago
Cheap Astronomy - Dear CA Ep. 136: Complexities
Things aren't always straight-forward.
Hosted by Steve Nerlich.
Dear Cheap Astronomy – What's all the current fuss about dark energy?
Some preliminar…
1 month, 4 weeks ago
Astronomy Cast Ep. 799: Heavy Lift Rockets
https://www.youtube.com/watch?v=aDgA3eiUANs
Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest)
Streamed live June 22, 2026.
Th…
1 month, 4 weeks ago
Travelers in the Night Eps. 893 & 894: DarkSky Oregon & Discovery Night at the Schmidt
Dr. Al Grauer hosts. Dr. Albert D. Grauer ( @Nmcanopus ) is an observational asteroid hunting astronomer. Dr. Grauer retired from the University of A…
1 month, 4 weeks ago