SpaceX launches colossal Starship rocket and catches it for second time with robotic arms
For the second time, SpaceX used giant mechanical arms to catch its Starship rocket back at the pad minutes after liftoff ...
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White Dwarf Star's Mass Measured Using Hubble And Gravitational Microlensing
The Hubble Space Telescope has been used to determine the mass of white dwarf star LAWD 37. It is "56 percent the mass of our Sun," according to NASA/ESA. Credit: NASA, ESA, P. McGill (Univ. of ...