Dwarf Planet Ceres Thrills as a Dying Visitor Closes In

Dwarf Planet Ceres Thrills as a Dying Visitor Closes In

Ceres is the queen of the asteroid belt. Her first Earthly visitor is nearing its last days in spectacular style. Dawn Mission Director and Chief Engineer Marc Rayman returns with stunning images taken from just 35 kilometers or 22 miles above the dwarf planet, and a preview of the spacecraft’s last days. Planetary Society Chief Scientist Bruce Betts has a summer guide to the night sky, looks back in space exploration history and delivers another Random Space Fact. He and Mat Kaplan also have a new space trivia question for listeners. Learn more about all our topics this week: http://www.planetary.org/multimedia/planetary-radio/show/2018/0704-2018-marc-rayman-dawn-ceres.htmlLearn more about your ad choices. Visit megaphone.fm/adchoices

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McDonald Observatory and the Quest for Dark Energy

McDonald Observatory and the Quest for Dark Energy

The University of Texas at Austin’s observatory is high in the hills of west Texas. In this special episode, Mat Kaplan joins the tens of thousands who visit it each year. The occasion was the dedicat...

19 Huhti 201748min

Aerospace Corporation President and CEO Steve Isakowitz

Aerospace Corporation President and CEO Steve Isakowitz

The Aerospace Corporation has been innovating since 1960. Now it’s headed by a former leader of “New Space” company Virgin Galactic. President and CEO Steve Isakowitz talks about the evolving culture ...

12 Huhti 201758min

Space Policy Edition #11 – Big Science and a Skinny Budget

Space Policy Edition #11 – Big Science and a Skinny Budget

Whether it’s discovering gravity waves, curing cancer or building a space station, the biggest science challenges increasingly require investments that are beyond what private industry can afford and ...

7 Huhti 20171h 19min

Mars’ Atmosphere…Lost in Space!

Mars’ Atmosphere…Lost in Space!

Mars was once a warm and wet world. Then its dense, protective atmosphere mostly vanished. Learning why was one of the greatest mysteries in planetary science. The answer has just been delivered by th...

5 Huhti 201733min

Nancy Atkinson’s Incredible Stories from Space

Nancy Atkinson’s Incredible Stories from Space

The longtime editor of outstanding online space news source Universe Today has just written about nine robotic missions of exploration in "Incredible Stories From Space: A Behind-the-Scenes Look at th...

29 Maalis 201747min

Ready for Space: LightSail 2 Update

Ready for Space: LightSail 2 Update

The Planetary Society’s LightSail 2 solar sail spacecraft is ready to be packed away for its ride to orbit on a SpaceX Falcon Heavy rocket. Mat Kaplan checks the mission’s status with team members.Lea...

22 Maalis 201734min

The Great American Eclipse—Be Part of It!

The Great American Eclipse—Be Part of It!

It’s coming! Will you be in the path of totality? Astronomers Without Borders President Mike Simmons says be there if you can.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystud...

15 Maalis 201736min

Hope for Pluto—Should We Re-Redefine Planets?

Hope for Pluto—Should We Re-Redefine Planets?

Planetary geologist Kirby Runyon is lead author of an abstract that proposes a new, geophysical definition of what a planet is.Learn more about your ad choices. Visit megaphone.fm/adchoicesSee omnystu...

8 Maalis 201733min

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