Astronomy

Astronomy

Of or pertaining to the study of celestial objects. This includes the physics, chemistry, and evolution of moons, planets, stars, galaxies, and any phenomena that takes place outside the atmosphere of Earth.

Industry: Physics

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Astronomy

halo

Physics; Astronomy

A roughly spherical collection of old stars, clusters of old stars (called globular clusters), and a little bit of gas and dust that extends farther than all other components of a galaxy. Halos ...

ESO

Physics; Astronomy

These letters, when followed by numbers, refer to the specific entries in an archive of observations made by the European Southern Observatory telescopes. Since the Hubble Space Telescope (HST) is a ...

Hubble deep field

Physics; Astronomy

A long-exposure, opticalwavelength image. At the time it was taken, it showed the sharpest views of the faintest galaxies ever seen. The image was made by aiming the Hubble Space Telescope at a ...

Hubble space telescope

Physics; Astronomy

An automated telescope that orbits Earth at an altitude of 600 km (375 miles). The National Aeronautics and Space Administration and the European Space Agency built the telescope. Its primary mirror ...