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A new study of two supernova remnants, the debris left behind after stars explode, suggests the explosions came from stellar…
Description This pair of images shows stars observed by the SPARCS (Star-Planet Activity Research CubeSat) space telescope simultaneously in the…
Originally designed as a satellite dedicated to studying GRBs — gamma-ray bursts, the most powerful explosions in the cosmos —…
Swift launched into orbit on Nov. 20, 2004, as NASA’s Swift Gamma-ray Observatory. In 2018, NASA renamed the spacecraft in…
The handsome Horsehead Nebula, rearing up against glowing red gas, is sculpted from dust. Like many of the most iconic…
Visible Light Because our atmosphere blocks or partially absorbs certain wavelengths, Hubble’s position 300 miles (483 km) above Earth’s surface…
The Tvashtar plume on Io, seen by the Hubble Space Telescope (HST) and by New Horizons.
