Deep Space Extra will observe the 4th of July holiday on Monday, July 5. It will return on Tuesday, July 6.
In Today’s Deep Space Extra… Scientists closer to explaining Mars methane mystery. Russia’s Progress MS-17 resupply capsule docked with the International Space Station.
Space ScienceMars methane mystery may be starting to clear upSpace.com (7/1): Detections of traces of methane in the Martian atmosphere, a potential biosignature or perhaps a byproduct of interactions between subsurface hot water and rock, continues to mystify scientists. Mars Curiosity’s Tunable Laser Spectrometer has repeatedly detected methane in Gale Crater at night, but during the day, other instruments haven’t. One idea is that gas seeps from the ground and builds up detectable levels at night when Mars’ atmosphere is calm. The latest findings were published in the journal Astronomy and Astrophysics.
Astronomers discover record-breaking star as small as the Moon but with more mass than the sunCBS News (7/1): Astronomers report the discovery of the smallest, most massive white dwarf star yet. ZTF J1901 +1458 has a mass greater than the sun, while about the size of the Earth’s Moon. It is located 130 million light years from the Earth and ...