blue, massive young stars; unlike its surrounding nebula, the star cluster is visible to amateur astronomers through ...
Discovered in the 18th century, the Helix Nebula, located about 700 light-years away in the constellation Aquarius, belongs ...
In this NASA/ESA Hubble Space Telescope image, Hubble once again lifts the veil on a famous — and frequently photographed — supernova remnant: the Veil Nebula. ESA/Hubble & NASA, R.
The Hubble image captures the nebula's diverse stellar population, which includes hot, young blue stars and older red stars, scattered among intricately woven, airy tendrils of gas and dark clumps ...