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Swift’s Science
5 min read
Originally designed as a satellite dedicated to studying GRBs — gamma-ray bursts, the most powerful explosions in the cosmos —…
Apr 23, 2025
Mission
The Swift Spacecraft
5 min read
Swift launched into orbit on Nov. 20, 2004, as NASA’s Swift Gamma-ray Observatory. In 2018, NASA renamed the spacecraft in…
Apr 23, 2025
Mission
Dust in the Stellar Wind: A Cosmological Primer
5 min read
The handsome Horsehead Nebula, rearing up against glowing red gas, is sculpted from dust. Like many of the most iconic…
May 3, 2023
Article
Wavelengths
11 min read
Visible Light Because our atmosphere blocks or partially absorbs certain wavelengths, Hubble’s position 300 miles (483 km) above Earth’s surface…
Jan 13, 2023
Mission
Tvashtar Montage
2 min read
The Tvashtar plume on Io, seen by the Hubble Space Telescope (HST) and by New Horizons.
Oct 9, 2007
Article
