Galaxy
A galaxy is any of the systems of stars and interstellar matter that make up the universe. A galaxy is composed of stars, stellar remnants, interstellar gas, dust, and dark matter that are all held together by gravity.
Nature has provided an immensely varied array of galaxies, ranging from faint, diffuse dwarf objects to brilliant spiral-shaped giants.
Hubble captured the largest and one of the most complete Einstein rings ever
Hubble Sees a ‘Molten Ring’.
The longest gas filament with a length of 50 million light-years discovered
The observation confirms our ideas about the origin and evolution of our universe.
Large-scale bubbles found in the halo of the Milky Way
Gigantic hot gas structures above and below the Galactic disc are probably due to shock waves generated by past energetic activity in the center of our Galaxy.
Deepest photo yet of galactic siblings
A treasure trove of data from the SMASH survey unveils the Magellanic Clouds in exquisite detail.
Astronomers identified nearly 120,000 new young stellar objects
Mapping stellar nurseries in the Milky Way.
Milky Way’s brightest gamma-ray binary system may be powered by a magnetar star
The emission is caused by an interaction between the magnetar’s magnetic fields and dense stellar winds.
Our galaxy is being slowly pulled by neighboring galaxy
The long-held belief that the Milky Way, the galaxy containing Earth and the solar system, is relatively static has been ruptured by fresh cosmic insight.