Space
On this date in July 1997, NASA placed the first rover on Mars. Sojourner was followed by Spirit and Opportunity, then Curiosity. It was ...
Air Date: July 10, 2017
Listen 00:04:54
This week, Dave Heller and Dr. Derrick Pitts discuss Earth’s elliptical orbit, and how it can still feel hot on Earth when we are a ...
Air Date: July 3, 2017
You Must Remember This – An Eclipse Is Not Just an Eclipse
Kepler scientists this week announced the 219 newest additions to the exoplanet count – 10 of which are identified as “terres ...
Air Date: June 26, 2017
Listen 00:07:13
‘2001’ came and went, but the movie’s ideas still resonate
The 1968 movie “2001: A Space Odyssey” painted a grand vision of the future — but for lots of us, the real 21st Century has ...
9 years ago
Listen 6:44
Sun’s Original Twin: What happened to it? UC Berkeley astronomer Steven Stahler and Sarah Sadevoy of Smithsonian Astrophysical Obse ...
Air Date: June 19, 2017
Listen 00:06:34
If you’re sweating from our current heat wave, be glad you don’t live on planet KELT-9, orbiting a blue A-type star 620 light ...
Air Date: June 12, 2017
Listen 00:04:39
Wiltshire, England doesn’t have the monopoly on solar events with summer solstice at Stonehenge. Philadelphia is a suitable site to ...
Air Date: June 5, 2017
Listen 00:05:44
A cosmic debris ring has been observed around a star where a planet has already been directly observed. Plus, the observed lunar in ...
Air Date: May 29, 2017
Listen 00:04:28
Sunset now comes at 8:15pm, giving us 14 hours and 36 minutes of daylight here at Philadelphia’s latitude. We have about four ...
Air Date: May 23, 2017
Listen 00:05:59
With the return of the summer constellations rising around midnight, the Milky Way rises up from ringing the horizon and will arc slowly ...
Air Date: May 8, 2017
Listen 00:05:26
The Blanco reflector telescope at Cerro Tololo in Chile has detected a ‘distant dwarf’ planet observers are calling “De ...
Air Date: April 24, 2017
Listen 00:07:24
A star has been discovered that orbits a black hole once every 28 minutes. Not impressed? This star is 2.5 times farther away from the bl ...
Air Date: April 5, 2017
Listen 00:06:15
President Donald Trump’s proposed 2018 budget cuts NASA’s funding by 1%. What’s lost? Some Earth Observing missions, th ...
Air Date: March 27, 2017
Listen 00:05:45
An aspiring astronaut’s life on fake Mars
Ross Lockwood spent four months on top of a volcano in Hawaii. He lived in an inflatable dome the size of a two-bedroom apartment with fi ...
10 years ago
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Exoplanets in the neighborhood
The twin 10m Keck telescopes at Mauna Kea in Hawaii have identified 100 more exoplanet candidates. On ...
Air Date: February 20, 2017
Listen 00:05:46