Weather appears to be good for Wednesday after concerns about recovery on Monday.
  • Ars Technica
  • Jan 19, 2021

With latest Starlink launch, SpaceX to set record for rapid reuse - Ars Technica

Enlarge/ Falcon 9, booster 1051, breaking through the sound barrier on December 13, 2020. It's back for an eighth launch a little more than a month later. 50 with 34 posters participating SpaceX is… [+2728 chars]

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Martian moons have a common ancestor -
  • Phys.Org
  • Feb 23, 2021

Mars's two moons, Phobos and Deimos, have puzzled researchers since their discovery in 1877. They are very small: Phobos's diameter of 22 kilometers is 160 times smaller than that of our moon, and Deimos is even smaller, with a diameter of only 12 kilometers.…...