Astronomy

Astronomy

The scientific study of planets, stars, black holes, comets and other celestial bodies that make up outer space.

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Astronomy > Galaxy

Hand of God

Astronomy; Galaxy

A celestial object captured by NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) that resembles the cosmic "Hand of God." The object is the result of a star explosion which ...

BlackHoleCam

Astronomy; Galaxy

A project that uses radio telescopes and supercomputers to try to prove the existence of a supermassive black hole at the center of the Milky Way galaxy. While most ...

anti-matter

Astronomy; Galaxy

An anti-matter are anti-particles that have the same mass as their "mirror" particles, but they are opposite of quantum number, especially as regards their electricity ...

cluster of galaxies

Astronomy; Galaxy

A system of galaxies containing from a few to a few thousand member galaxies which are all gravitationally bound to each other.

luminosity

Astronomy; Galaxy

It is the measure of a star's brightness; the greater the luminosity the brighter the star appears. It is the measure of how much energy per unit time the star is releasing ...

barred galaxies

Astronomy; Galaxy

Disk galaxies showing a prominent, elongated feature, often streaked by absorption lanes due to interstellar dust. Prominent bars are observed in about 1/3 of disk galaxies; ...

Markarian galaxies

Astronomy; Galaxy

Galaxies showing an excess of blue and near UV emission, identified by B.E. Markarian through an objective prism survey with the 1-m Schmidt telescope of the Byurakan observatory.