"Nasa" tag
NASA shock waves

Compressed air: sonic shock waves collide

When a plane flies faster than the speed of sound, the pressure waves in front don’t have time to flow around the aircraft and the air becomes compressed, eventually producing a shock wave,…

Fashion from the stars

Supernova remnant

A 400-year-old supernova explosion creates a spectacular scene.

Black hole caught committing murder

  Most homicide cases involve finding the murderer, but this is the first time NASA have been able to identify a stellar homicide victim.

Up close and personal with Saturn and its moons

NASA’s Cassini Spacecraft has taken pictures of Tethys and Dione. Both moons were discovered in 1684 by Giovanni Domenico Cassini. 327 years later, we know that both moons have icy surfaces composed almost…

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