Posted by Bruce Betts on 2014/02/28 01:30 CST
This video of class 4 of Bruce Betts' Introduction to Planetary Science and Astronomy class discusses eclipses, Mercury, Venus, and a comparison of the atmospheres of Venus, Earth, and Mars.
Cosmos with Cosmos Episode 12: Encyclopedia Galactica
In which we ponder the existence of others
Cosmos returns in fine form in its penultimate episode. Sagan explores the historical and scientific precedents for the search for extraterrestrial life (SETI) and our human desires to not be alone in the universe.
Cosmos with Cosmos Episode 11: The Persistence of Memory
In which we don't understand intelligence
Cosmos stumbles with an episode that is plodding, scattered, and more than a little preachy. This episode will only persist in my memory as a shadow of what could have been.
Cosmos with Cosmos Episode 10: The Edge of Forever
In which we contemplate the end of all things
Carl Sagan takes us from the birth to the death of the universe. How do we reconcile our place within a universe that will die? Join us for the latest discussion on episode 10 of Cosmos.
Posted by Mat Kaplan on 2013/12/24 09:18 CST
This week's show looks back over ten years of exploration by Spirit and Opportunity. Writer A.J.S. Rayl recounts the challenges encountered early in the mission, and how an outstanding team triumphed.
If you want to know why Cassini might be terminated early, or why NASA pulled out of its joint Mars mission with Europe, or why the new ASRG power source was put on indefinite hold, this chart has your answer.
Cosmos with Cosmos Episode 7: The Backbone of Night
In which we return to cosmos
We return to the big idea of the series – that the universe can be known and we better ourselves in our efforts to understand it – in the best episode of Cosmos so far.
In 1971 I was being trained to work with the airbrush by the map artists at the U.S. Geological Survey's Branch of Astrogeologic Studies in Flagstaff. However, the project I ended up spending about a quarter of a man-year on was a hand-painted map globe of Mars.
Cosmos with Cosmos Episode 6: Travellers' Tales
Voyager is the ultimate expression of our desire to explore
The Voyager mission may be the ultimate expression of our desire to explore, but why does that will exist in the first place? Why is it unique to humans?
Cosmos with Cosmos Episode 5: Blues for a Red Planet
Where Mars stubbornly refuses to be what we desire
Episode 5 focuses on Mars, the planet that has stubbornly refused to conform to the wishes of humanity for hundreds of years, from Lowell to Sagan. Grab your cosmo and join our discussion of 'Blues for a Red Planet.'
Cosmos with Cosmos Episode 4: Heaven & Hell
In which face the consequences of our own knowledge
Humans face the consequences of our own knowledge about the cosmos in this latest episode recap and analysis of Carl Sagan's classic series.
Creating Life on a Gas Giant
On "Hunters, Floaters, Sinkers" from Cosmos
Adolf Schaller, an artist on the original Cosmos series, shares his experience of creating the painting, "Hunters, Floaters, and Sinkers" from Episode 2, which speculates about the possible life living in the turbulent atmosphere of a gas-giant planet.
Cosmos with Cosmos Episode 3: The Harmony of the Worlds
In which Mars changes the course of human history
We continue our analysis of Cosmos as we jump back in time to see the birth of modern science with Johannes Kepler or, as Sagan calls it, the first fusion of "imagination with observation." Welcome to Episode 3: The Harmony of the Worlds.
An interview with Bruce Murray from 2001 about his perspectives on Mars science and exploration: past, present, and future.
Remembering the Pluto Campaign: A Success Story
The Society Worked for Years to Help Launch a Mission to Pluto
The New Horizons mission to Pluto survived many near-death encounters with cancellation during its development. The Planetary Society worked the whole time to ensure it would launch.