Join Donate

Random Space Fact

You've heard it on Planetary Radio, you've seen it on Twitter, now watch Random Space Fact on YouTube! 

How many stars are in the known universe? What's the oldest spacecraft still in orbit? How massive is Jupiter? Watch our weekly Random Space Fact series to find answers to these kinds of questions.

Are you an educator? Here are some ideas to help you get started with using RSF videos in your classroom. Can't stream YouTube from the classroom? Download all RSF episodes here (2 GB).

Here is a list of all RSF videos including topics so you can search for topics of interest.

Subscribe to our YouTube page:

The Oldest Spacecraft Still in Space

What just keeps orbiting...and orbiting...? Dr. Bruce Betts has this week's Random Space Fact. Starring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever

Please accept marketing-cookies to watch this video.


How Many Stars Are There?

Have you ever wondered how many stars are in the known universe? Dr. Bruce Betts has this week's Random Space Fact.

Starring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever

Please accept marketing-cookies to watch this video.


Your Voice on Mars

What would you sound like on Mars? Dr. Bruce Betts has this week's Random Space Fact.

Starring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever

Please accept marketing-cookies to watch this video.


If the Sun Were the Size of a Basketball...

How big is the Sun compared to the Earth? Dr. Bruce Betts has this week's Random Space Fact.

Starring Dr. Bruce Betts | Video by Merc Boyan | Music by Jim McKeever

Please accept marketing-cookies to watch this video.


Items 51 - 54 of 54  Previous123456
astronaut on Phobos
Let's Change the World

Become a member of The Planetary Society and together we will create the future of space exploration.

Join Today

Europa
The Planetary Fund

Help advance robotic and human space exploration, defend our planet, and search for life.

Donate

You are here: