Skytalk Archive
Giant Surprises from the Dwarf Planet
Images and data beamed back from NASA’s New Horizons mission has astronomers rethinking what they thought they knew about Pluto. Ke ...
Air Date: July 27, 2015
Listen 00:07:27
46 years ago – Apollo 11 astronauts Neil Armstrong and Buzz Aldrin stepped onto the moon, while Michael Collins orbited overhead in ...
Air Date: July 20, 2015
Listen 00:06:13
Geophilus Hadesi discovered in Croatian caves – more than half a mile below the earth’s surface! These ‘extrem ...
Air Date: July 13, 2015
Listen 00:05:19
Night Sky Fireworks Beyond the 4th
Call this Venus Week! Friday, Venus shows its greatest illuminated portion – and it will be at its brightest for this year on Sunda ...
Air Date: July 6, 2015
Listen 00:06:04
The Sun will be at its furthest annual distance from the Earth next Monday afternoon – 94,506,507 miles. Heading outdoors to ...
Air Date: June 29, 2015
Listen 00:06:00
Our region reached the maximum hours of daylight for the year yesterday. We lose two seconds today; a minute by the end of the week, and ...
Air Date: June 22, 2015
Listen 00:13:11
If we lived on a planet that orbited a lone star outside of a galaxy, a starless night sky would be possible. Now astronomers have discov ...
Air Date: June 15, 2015
Listen 00:12:31
NASA’s New Horizons spacecraft is closing in on Pluto. Ahead of the July 14th close approach; astronomers recently learned more abo ...
Air Date: June 8, 2015
Listen 00:06:34
Looking For Life In All The Right Places
NASA plans to send a three-year orbital mission to Jupiter’s moon Europa as early as 2022. It’s at the top of the list of mos ...
Air Date: June 1, 2015
Listen 00:05:29
500,000 quasars (quasi-stellar radio sources) have been detected – including 100 binaries, two triples, and now – one quad. A ...
Air Date: May 25, 2015
Listen 00:06:51
The dwarf planet Pluto will be visited by New Horizons this summer, with the closest approach scheduled for June 14th. This complet ...
Air Date: May 18, 2015
Listen 00:06:09
Last Thursday, after 11 years in space, NASA’s Messenger spacecraft made a scheduled crash onto the surface of Mercury, but not bef ...
Air Date: May 4, 2015
Listen 00:06:32
This Friday, May 1st is a cross-quarter day – halfway between the first day of spring and the first day of summer. It’s a day ...
Air Date: April 27, 2015
Listen 00:06:33
Come One, Come All: No Telescope Needed
Friday marks the 5th Annual city-wide Astronomy Night, which is the first event of the 2015 Philadelphia Science Festival. Commun ...
Air Date: April 20, 2015
Listen 00:06:38