Walkabout the Galaxy Posts

May 30, 2019 / Astrophysics

The astroquarks discuss news about lunar quakes and Venus… volcanoes. But volcanoes doesn’t rhyme with quakes, so I sacrificed alliteration for rhyming. Venus may be volcanically active, at least on relatively recent geological timescales. If…

May 30, 2019 / Astrophysics

From a human-made crater (well, spacecraft-made) on an asteroid, to the Moon-forming impact, to an accelerating pace of black hole merger detections, the astroquarks survey the latest news in astronomical collisions. The asteroid Apophis has…

May 30, 2019 / Astrophysics

Scientists have been chasing methane on Mars for years. It’s a slippery little molecule that doesn’t stick around very long and has several biological (as well as non-biological) sources. The armada of spacecraft at Mars…

May 30, 2019 / Black Holes

We discuss the dramatic first view of a black hole in a special episode recorded in front of a live audience. In addition to the Event Horizon Telescope’s image, bonus nerd trivia, and an abundance…

May 30, 2019 / Cosmology
May 30, 2019 / Episodes

We are joined by asteroid expert and “b” quark Dr. Zoe Landsman to discuss the remarkable discovery by the OSIRIS-REx mission that the asteroid it is orbiting, Bennu, is spitting pebbles and rocks out into…