Brenna Freeman - Thermal Engineer, Keeping Spacecraft Temperature Just Right
Brenna Freeman, thermal engineer at Goddard, keeps her cool while she keeps spacecraft components at their correct temperature.
Brenna Freeman, thermal engineer at Goddard, keeps her cool while she keeps spacecraft components at their correct temperature.
About 3.5 million years ago, the supermassive black hole at the center of our Milky Way galaxy unleashed an enormous burst of energy. Now, eons later, astronomers are using NASA's Hubble Space Telescope's unique capabilities to uncover even more clues about this cataclysmic explosion.
Observations from SOFIA indicate that the magnetic field near our galaxy’s core is strong enough to control the material moving around the black hole, even in the presence of the black hole’s enormous gravitational forces.
A small glacier in the Arctic region of Norwegian archipelago Svalbard, as photographed by NASA's Airborne Tropical Tropopause Experiment (ATTREX).
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