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news science.nasa.gov IRREGULARCHAT: Space 3d ago

NASA’s overview of galaxy evolution explains that galaxies have been studied in great detail through deep-space observations such as the Hubble Ultra Deep Field, which revealed about 10,000 galaxies a

It's tempting to assume faster engines make faster spacecraft, but Parker Solar Probe's record 430,000 miles per hour came mostly from gravity: seven Venus flybys spent nearly seven years bending its orbit closer to the Sun, until the Sun's own pull accelerated it faster than any human-made object in history.

news spacedaily.com IRREGULARCHAT: Space 4d ago

Parker Solar Probe’s record speed of about 430,000 miles per hour was achieved not mainly through engine power, but through gravity and careful orbital design. Launched in August 2018 aboard a Delta I

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