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Sciences and Exploration Directorate
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JWST Observations Show Interstellar Object 3I/ATLAS Has an Unusually CO2-Rich Coma

Explore this and other groundbreaking work from the Sciences and Exploration Directorate in our Science Nuggets collection.

JWST Observations Show Interstellar Object 3I/ATLAS Has an Unusually CO2-Rich Coma

Explore this and other groundbreaking work from the Sciences and Exploration Directorate in our Science Nuggets collection.

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NASA, JAXA XRISM Satellite X-rays Milky Way’s Sulfur

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NASA, JAXA XRISM Satellite X-rays Milky Way’s Sulfur

Explore this and other groundbreaking work from the Sciences and Exploration Directorate in our Science Nuggets collection.

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ASTRONOMY PICTURE OF THE DAY

Red Spider Planetary Nebula from Webb

Oh what a tangled web a planetary nebula can weave. The Red Spider Planetary Nebula shows the complex structure that can result when a normal star ejects its outer gases and becomes a white dwarf star. Officially tagged NGC 6537, this two-lobed symmetric planetary nebula houses one of the hottest white dwarfs ever observed, probably as part of a binary star system. Internal winds flowing out from the central stars, have been measured in excess of 1,000 kilometers per second. These winds expand the nebula, flow along the nebula's walls, and cause waves of hot gas and dust to collide. Atoms caught in these colliding shocks radiate light shown in the featured false-color infrared picture by the James Webb Space Telescope. The Red Spider Nebula lies toward the constellation of the Archer (Sagittarius). Its distance is not well known but has been estimated by some to be about 4,000 light-years.