A SpaceX Falcon 9 launched a small NASA X-ray astronomy satellite Dec. 9 to study black holes and neutron stars, an “appetizer” for the launch later this month of the much larger James Webb Space Telescope.
A SpaceX Falcon 9 launched a small NASA X-ray astronomy satellite Dec. 9 to study black holes and neutron stars, an “appetizer” for the launch later this month of the much larger James Webb Space Telescope.
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