Asteroids

Weekly Space Hangout – Oct 2, 2015: Water on Mars, Blood Moon Eclipses, and More Pluto!

Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Pamela Gay (cosmoquest.org / @cosmoquestx / @starstryder) Kimberly Cartier…

9 years ago

What Are Asteroids Made Of?

What are asteroids made of? Asteroids are made mostly of rock -- with some composed of clay and silicate --…

9 years ago

What are Asteroids?

4.6 billion years ago, our Solar System formed from a collection of gas and dust surrounding our nascent Sun. While…

9 years ago

What is the Asteroid Belt?

In the 18th century, observations made of all the known planets (Mercury, Venus, Earth, Mars, Jupiter, and Saturn) led astronomers…

9 years ago

Astronomy Cast Ep. 381: Hollowing Asteroids in Science and Fiction

When we finally make the jump to fully colonizing the Solar System, we're going to want to use asteroids as…

10 years ago

What is Lunar Regolith?

When you're walking around on soft ground, do you notice how your feet leave impressions? Perhaps you've tracked some of…

10 years ago

Weekly Space Hangout – April 26, 2015: Special Cosmoquest Hangoutathon Edition

Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Nicole Gugliucci (cosmoquest.org / @noisyastronomer) Nancy Atkinson (UniverseToday.com /…

10 years ago

Weekly Space Hangout – April 3, 2015: Lunar Eclipses & Asteroid Chunks!

Host: Fraser Cain (@fcain) Guests: Morgan Rehnberg (cosmicchatter.org / @MorganRehnberg ) Dave Dickinson (@astroguyz / www.astroguyz.com) (more…)

10 years ago

OSIRIS-REx Asteroid Sampler Enters Final Assembly

OSIRIS-Rex, NASA’s first ever spacecraft designed to collect and retrieve pristine samples of an asteroid for return to Earth has…

10 years ago

How Dense is the Asteroid Belt?

We've seen way too many science fiction episodes that show asteroid belts as dense fields of tumbling boulders. How dense…

10 years ago