Skytalk Archive
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
Science takes center stage Saturday, April 22 in marches planned across the country. Philadelphia will host its own local science march f ...
Air Date: April 17, 2017
Listen 00:05:26
Ever since Pluto was demoted from the pantheon of planets, efforts have intensified to designate a replacemen ...
Air Date: April 11, 2017
Listen 00:06:21
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
Tilting toward the summer season
Monday was an important day for folks who are sick of winter—the Vernal (or Spring) Equinox! The tilt of Earth’s rota ...
Air Date: March 21, 2017
Listen 00:05:31
This week, Derrick focuses attention on the contributions of minorities and women to the field of astronomy. There are many birth ...
Air Date: March 13, 2017
Listen 00:05:25
Daylight Saving Time kicks in at 2 a.m. on Sunday, March 12. Philadelphia Mayor Jim Kenney ...
Air Date: March 6, 2017
Listen 00:05:20
As more and more planets are being discovered, it’s not a bad idea to come to a consensus on answering the question, “What ...
Air Date: February 27, 2017
Listen 00:06:12
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
We celebrate two giant birth anniversaries this week: Wednesday is the 453rd anniversary of Galileo and Sunday is the 544th anniversary o ...
Air Date: February 13, 2017
Listen 00:05:13
February 6th is the 46th anniversary of the first space sport. On this day in 1971, golf enthusiast-turned-astronaut Alan Shepard hit a g ...
Air Date: February 6, 2017
Listen 00:04:50
Dr. Derrick Pitts and Dave Heller recap some important dates in space exploration this week. On February 1, 13 years ago, the Space ...
Air Date: January 30, 2017
Listen 00:08:03
Intergalactic Space not so Spacey?
How is it that the Milky Way’s 11 most distant stars are 300,000 light years from Earth, well beyond th ...
Air Date: January 23, 2017
Listen 00:05:47
Larry Molnar, an astronomy professor at Calvin College, announced last week that he and his students are foll ...
Air Date: January 17, 2017
Listen 00:05:41