RIGHT ROUND
Dwarf galaxies near the giant galaxy Centaurus A, shown here in a composite of images from three different telescopes, seem to orbit it in an unexpectedly organized loop.
A dwarf galaxy near the Milky Way may consist of more dark matter than regular matter.
Not exact matches
Four stars
near the bright band of the Milky Way have revealed a secret: the presence of a hidden
dwarf galaxy.
Images of M32, a
dwarf elliptical
galaxy near to our own, show that stars become clustered much more closely together
near its centre, which is what should happen if the
galaxy contains a black hole.
Stars yanked from the Sagittarius
dwarf galaxy (red) loop around the Milky Way and dive
near our sun (yellow dot).
McGaugh's most recent research, undertaken with Milgrom and other collaborators, has focused on the undersized («
dwarf»)
galaxies of Andromeda, the
nearest large
galaxy to the Milky Way.
Although similar surveys have been attempted with the Andromeda
galaxy, our
galaxy's
nearest neighbor, «we can not yet study its
dwarf galaxy companions to the same level of detail,» he says.
Elena D'Onghia at the University of Wisconsin, Madison, had predicted in 2009 that unless gravity is doing something very strange, we should see clusters of
dwarf galaxies all on their own, even
near our
galaxy.
As NGC 1510 draws ever
nearer to its end, the powerful gravitational influence of its neighboring partner has stirred up the
dwarf's star - creating materials, giving rise to intense levels of star formation that have caused the
galaxy to glow a fierce blue.
Then, beyond the Milky Way, there are a bunch of
dwarf galaxies that are galactic satellites of the Milky Way (Cannis Major, Sagittarius), but the
nearest full - size
galaxy is Andromeda, which is two million light years away.
The
nearest dwarf galaxies, satellites of the Milky Way, are only a few 100,000 light years distant, while the
nearest giant neighbor, the Andromeda Galaxy, also a spiral, is about 2 - 3 million light years distant.
An intensive study of a neighboring
dwarf galaxy has surprised astronomers by showing that most of its molecular gas — the raw material for new stars — is scattered among clumps in the
galaxy's outskirts, not
near its center as they expected.
Three of these faintly - lit bodies, located in the southern hemisphere
near the Large and Small Magellanic Clouds, were confirmed as
dwarf galaxies, which contain stars numbering in the thousands in contrast to our
galaxy, which is believed to contain over 300 billion stars.
UGCA 86 (centre) and UGCA 92 (right) are much closer, they are two faint irregular
dwarf galaxies located about seven million light years from us at the front of the group
near IC 342.
Understanding these similarities and differences between the LMC — SMC — Milky - Way system and this analog are an important first step to studying
dwarf galaxy pairs as they interact
near the massive halos of their large spiral hosts.
If we could find other systems that look like the LMC — SMC — Milky - Way system, we might be able to learn more about pairs of
dwarf galaxies and how they interact
near the halos of large
galaxies like the Milky Way.
The
nearest of these is the Sagittarius
dwarf, a
galaxy that is falling into the Milky Way
Galaxy, having been captured tidally by the
Galaxy's much stronger gravity.
The new satellites were found in the southern hemisphere
near the Large and Small Magellanic Cloud, the largest and most well - known
dwarf galaxies in the Milky Way's orbit.
NGC 1569 (centre) is only a
dwarf galaxy but it is probably the
nearest example of a starburst
galaxy - a
galaxy which is rapidly forming a lot of new stars.
Hunting for merging
dwarf galaxies in various environments, Paudel and Sengupta found UGC 4703, an interacting pair of
dwarf galaxies that are located
near the isolated spiral
galaxy NGC 2718.
These included the
nearest region to us, the Orion Nebula found in the sword of the Orion constellation, and the enormous Rosette Nebula in the Large Magellanic Cloud
dwarf galaxy that orbits our giant spiral
galaxy, the Milky Way.
The two closest neighbors, both already mentioned, have only recently been discovered: The
nearest of all, discovered in 2003, is an already almost disrupted
dwarf galaxy, the Canis Major Dwarf, the nucleus of which is about 25,000 light - years away from us and about 45,000 light - years from the Galactic Ce
dwarf galaxy, the Canis Major
Dwarf, the nucleus of which is about 25,000 light - years away from us and about 45,000 light - years from the Galactic Ce
Dwarf, the nucleus of which is about 25,000 light - years away from us and about 45,000 light - years from the Galactic Center.