The more stars a typical spiral galaxy contains, the faster it makes new ones. Astronomers call this relatively tight correlation the "galaxy main sequence." The main sequence might be due simply to the fact that galaxies ...
Astronomy
Jun 5, 2017
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223
(PhysOrg.com) -- A newly discovered star outside the Milky Way has yielded important clues about the evolution of our galaxy. Located in the dwarf galaxy Sculptor some 280,000 light-years away, the star has a chemical make-up ...
Astronomy
Mar 3, 2010
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0
(Phys.org)—Galaxies – spirals laced with nests of recent star formation, quiescent ellipticals composed mainly of old red stars, and numerous faint dwarfs – are the basic visible building blocks of the Universe. Galaxies ...
Astronomy
Dec 18, 2014
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A European team of astronomers led by Professor Kalliopi Dasyra of the National and Kapodistrian University of Athens, Greece, under participation of Dr. Thomas Bisbas, University of Cologne modeled several emission lines ...
Astronomy
Jul 22, 2022
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497
By conducting spectroscopic observations, astronomers from China and Spain have investigated physical properties of a nearby lenticular galaxy known as PGC 26218. The new study provides more hints about the origin of starbursts ...
(PhysOrg.com) -- Using its infrared vision to peer nine billion years back in time, the NASA/ESA Hubble Space Telescope has uncovered an extraordinary population of tiny, young galaxies that are brimming with star formation.
Astronomy
Nov 10, 2011
44
0
Supernovas just might be the maid service of the universe.
Astronomy
May 26, 2015
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892
A team of astronomers has released new observations of nearby galaxies that resemble colorful cosmic fireworks. The images, obtained with the European Southern Observatory's Very Large Telescope (ESO's VLT), show different ...
Astronomy
Jul 16, 2021
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(Phys.org) —An international team of astronomers have discovered the most distant examples of galaxies that were already mature and massive – not just young, star-forming galaxies in the nursery-room of the early Universe ...
Astronomy
Mar 11, 2014
47
0
Within almost every galaxy is a supermassive black hole. Millions, sometimes billions of solar masses are locked within an event horizon of space and time. They can power luminous quasars, drive star formation, and change ...
Astronomy
Jan 25, 2024
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