Astronomers have proposed a new theory for the formation of dwarf galaxies. Researchers solve several outstanding problems by comparing observed dwarfs to supercomputer simulations of their formation. ...
... both dark matter and metals. Though never seen before, this new type of dwarf ... consequently may have produced many dark-matter-lacking, dwarf galaxies yet to be discovered.
The results of the new ...
... of star formation, sweep across the whole galaxy and last 100 times longer than astronomers thought. The longer duration may affect how dwarf galaxies change over time, and therefore may shed ...
There is more than one way to make a dwarf galaxy, and NASA's Galaxy
Evolution Explorer has found a new recipe.
... and study about 90 percent of the globular clusters in all our observed fields. This was crucial for dwarf galaxies that have only a handful of star clusters".
The team found a bounty of globular ...
... galaxies are known to orbit the Milky Way. UCI scientists studied 18 of them using data ... aliens, have a population of about 10 million."
Since dwarf galaxies are mostly dark matter – the ratio of dark ...
... author. "Segue 1 is the most extreme example of a galaxy that contains only a few hundred stars, yet ... form and evolve, especially at the smallest scales.
"These dwarf galaxies tell us a great deal ...
In the early Universe, a newly-discovered type of galaxy, Ultra-Compact Dwarfs (UCDs) had stars packed together a million times more closely than anything we see today. ...
... influence on normal matter, such as stars, gas and dust.
"We were surprised to find so many dwarf galaxies in the core of this cluster that were so smooth and round and had no evidence at all of any ...
Researchers have discovered a very rare, compact dwarf galaxy, which will help to work out how galaxies and star clusters form.
(PhysOrg.com) -- Bursts of star making in a galaxy have been compared to a Fourth of July fireworks display: They occur at a fast and furious pace, lighting up a region for a short time before winking ...
... spheroidals: 1) an encounter between two dwarf galaxies far from giants like the Milky Way ... accreted into the Milky Way, and 2) an encounter between a dwarf galaxy and the forming Milky Way in the early ...
(PhysOrg.com) -- A new study seeking to answer the question of why some galaxies are extremely dark compared with others may eventually help to explain the formation of all galaxies, according to ...
In some ways, discovering a new galaxy is all in a day's work for John Cannon, Macalester College assistant astronomy professor.
A Canadian astronomer whose did pioneering work in the discovery of dwarf galaxies and other interstellar phenomena will be given a prestigious lifetime achievement award on Thursday.
