A space observatory in low Earth orbit. Length, mirror, orbit, and power below are the figures on NASA's about page. This card is the science entry. The James Webb Space Telescope is filed separately under spacecraft.
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Science
Science references with cited public specifications. This category stays open.
A NASA heliophysics spacecraft that measures the solar wind. At its closest approach it comes within about 3.9 million miles of the Sun. Mass, management, launch, and speed below are the figures NASA prints.
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