1:09:20
Astronomy Cast
Take a facts-based journey through the cosmos with hosts Fraser Cain & Dr. Pamela Gay. Learn not just what we know but how we know it.
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31:15Mission Tech Series: Fairings, Docking, & Airlocks
2.1K views · 3w ago · 31:15
Guest: Mission Tech Series
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43:18The End of the Universe
2.4K views · 1mo ago · 43:18
Today we do the sequel to our 2-part series. We jump to the end of the Universe, and all the major moments that will occur from now until the heat death of the Universe. The end of everything. HASHTAGS CREDITS Season 20, Episode 801 Released: 7 Sep 2026
Topics: The fate of the Milky Way · Cosmic isolation · The end of star formation · The degenerate era · Proton decay and entropy · Black hole evaporation
42:06The Beginning of the Universe
2.1K views · 1mo ago · 42:06
To celebrate our 20th season, we thought we’d go back right to the beginning... of everything. Let’s wind the clock back to the earliest moments of the Universe, where we’ll measure time in fractions of a second. As the foundational laws of physics were laid down and we experience the repercussions to this day.
Topics: Beginning of the universe · Inflationary epoch · Early particle evolution · Big bang nucleosynthesis · Cosmic microwave background · Cosmic dawn and structure
57:45Heavy Lift Rockets
2K views · 4mo ago · 57:45
From yesterday's Saturn V to today's Ariana VI, rockets capable of launching large telescopes or small space stations in a single go are modern marvels. That are also wildly dangerous, and not exactly compatible. Let's look at today's fleet of rockets and just what they're accomplishing.
Topics: Personal updates and setup · Episode introduction · Understanding rocket scale · Expendable heavy lift rockets · Reusable launch systems · Why heavy lift matters
59:57Summer Media List
688 views · 4mo ago · 59:57
On the plane, on the beach, from the passenger seat in a car, summer is a time for escaping into a good book, video, or game. From classics to the latest releases, here are our recommendations for keeping your brain occupied while your body is renewed.
1:11:45Space events while we're on Hiatus
1K views · 4mo ago · 1:11:45
From meteors to moon landings and more, join Fraser and Pamela as the look at what you can enjoy this summer, after we go to hiatus in July. EPISODE INFO Title: Space while we're on Hiatus Recorded: 10 June 2026, Episode 797 (Season 19)
59:41Oceans & Organics on Mars
1.6K views · 5mo ago · 59:41
New results from Perseverance and Curiosity describe a past Mars with complex chemistry and water. But did it have life? Background image credit: Kevin Gill EPISODE INFO Title: Oceans & Organics on Mars Recorded: 1 June 2026, Episode 796 (Season 19)
34:06Expanse Science
1.9K views · 5mo ago · 34:06
Let's look at the science of our own possible (with a side of aliens) future. EPISODE INFO Title: Expanse Science Recorded: 10 May 2026, Episode 795 (Season 19) SHOW NOTES Science and physics of The Expanse Fraser’s favorite sci-fi series Strong recommendation for the show and books Epstein Drive and fusion propulsion Artificial gravity through acceleration Metallic hydrogen and advanced spacecraft technology Newtonian space combat and high-G effects Ring gates and…
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