Astronomy Cast Ep. 591: What Are We Gonna Do With All That Space Junk? by Fraser Cain & Dr. Pamela Gay Remember the good old days when there were only a few thousand living and dead satellites? Well, those days are long over. We're now entering an era where there will be tens of thousands of satellites. Not to mention the spent rocket boosters and other spac ... Show More
Jun 23
Ep. 760: What to Look For This Summer
Astronomy Cast Ep. 760: What to Look For This Summer By Fraser Cain & Dr. Pamela Gay Streamed live on Jun 16, 2025. It’s almost time for our annual summer hiatus, but before we go, we wanted to direct you towards all the fun and space stuff we’ll be enjoying this summer. We’ve go ... Show More
28m 59s
Jun 16
Ep. 759: The Commercial Space Program
Astronomy Cast Ep. 759: The Commercial Space Program By Fraser Cain & Dr. Pamela Gay Streamed live on Jun 9, 2025. Humanity has turned its focus back to the Moon, sending a fleet of spacecraft to the lunar surface. Some are run by the government, but there’s a whole new group of ... Show More
35m 6s
Jan 2020
Space Junk: How Cluttered Is The Final Frontier?
Since the dawn of Sputnik in 1957, space-faring nations have been filling Earth's orbit with satellites. Think GPS, weather forecasting, telecommunications satellites. But as those have increased, so, too, has space junk. On today's show, we talk about the first mission to clean ... Show More
11m 20s
Apr 2022
Space junk – how should we clean up our act?
This week, the US became the first country to ban anti-satellite missile tests, in an effort to protect Earth’s orbit from dangerous space debris. There could be millions of pieces of old satellites and spent rockets zooming around above our atmosphere, at speeds where collisions ... Show More
13m 23s
Apr 2023
Launching Into Space — Sustainably!
In 1957, the Space Age began with the launch of Sputnik, the first artificial satellite. Since then, the number of objects humans have hurled toward the stars has soared to the thousands. As those objects have collided with one another, they've created more space debris in Earth' ... Show More
12m 54s