Never stop learning with Curiosity Learning Paths!

  • Get inspired with the web’s best bite-sized learning content, curated for learners like you.
  • Learn more—quickly and easily—by exploring our dynamic Learning Paths.
  • Spread quick knowledge to friends with our original Smart Memes!

Astronomy Cast Episode 245 - Calendars

Scroll down to explore a learning path based on this topic.
47:02
Add to Playlist
Watch Later Added
  • Actions
  • About This Video

Paths are the best way to keep exploring content you're interested in. We'll create a stream of content for you filled with the best videos related to “Astronomy Cast Episode 245 - Calendars”.

This was the first recording time we've used Hangouts on Air to record a live version of Astronomy Cast. Our lives are ruled by calendars. And calendars are ruled by astronomy. As we near the end of 2011, and get ready to ring in the new year, let's discover the astronomy underlying the days, weeks, months and years that segment our lives.
32:29
Add to Playlist
Watch Later Added
  • Actions
  • About This Video
The Earth is wobbling on its axis like a top. You can't feel it, but it's happening. And over long periods of time, these wobbles shift our calendars around, move the stars from where they're supposed to be, and maybe even mess with our climate. Thank you very much Precession.
44:29
Add to Playlist
Watch Later Added
  • Actions
  • About This Video
Astronomy Cast Episode 303: Equilibrium
55:35
Add to Playlist
Watch Later Added
40:41
Add to Playlist
Watch Later Added
  • Actions
  • About This Video
When an object is orbiting the Earth, it's really falling. The trick, described in the Hitchhiker's Guide to the Galaxy, is how to throw yourself at the ground and miss. There are several different kinds of orbits, and they're good for different reasons. From suborbital jumps to geostationary orbit, time to learn everything there is to know about going around and around and around.
35:34
Add to Playlist
Watch Later Added
  • Actions
  • About This Video
Shhhh, shhh. You can stop screaming. That's because nobody can hear you ... in space. But why not? How does sound work here on Earth, and what would it sound like on other planets?
01:07:33
Add to Playlist
Watch Later Added

Keep Learning With More Smart Memes