Podcast: Planetary Motions in the Sky
Even the ancient astronomers knew there was something different about the planets. Unlike the rest of the stars, the planets move across the sky, backwards and forwards, round and round. It wasn’t until Copernicus that we finally had a modern notion of what exactly is going on.
Click here to download the episode.
Or subscribe to: astronomycast.com/podcast.xml with your podcatching software.
“Planetary Motion in the Sky” on the Astronomy Cast website, with shownotes and transcript.
And the podcast is also available as a video, as Fraser and Pamela now record Astronomy Cast as part of a Google+ Hangout:
Recent Posts
Black Hole Jets Seen Forming in Real-Time
A short time ago, astronomers observed a distant supermassive black hole (SMBH) located in a…
Hubble Shows Young Stars Shaping Their Surroundings in the Orion Nebula
Orion the Hunter, resplendent in the northern hemisphere's night sky in winter, is more than…
What Will It Take To Reach Zero Space Debris?
The space debris problem won't solve itself. We've been kicking the can down the road…
Supersonic Winds Blowing on an Extreme Exoplanet
Astronomers have analyzed the atmosphere of WASP-127b and discovered that its windspeeds reach 33,000 km/h.…
China’s Chang’e 7 Will Include a Flag That Will ‘Flap’ on the Moon
China’s Chang’e 7 lunar lander mission will feature a flag fluttering in the vacuum of…
Coronal Loops Flicker Right Before the Sun Unleashes Big Flares
Predicting space weather is more complex than predicting traditional weather here on Earth. One of…