Not exact matches
The small red circles denote
other objects that emit X-rays, like neutron stars or white
dwarfs, that are found scattered around more of the
galaxy.
Researchers from the Dark Cosmology Centre at the Niels Bohr Institute, among
others, have analysed measurements of the stars in the
dwarf galaxy Andromeda II and made a surprising discovery.
Researchers from the Niels Bohr Institute, among
others, have detected a stream of stars in one of the Andromeda
Galaxy's outer satellite
galaxies, a
dwarf galaxy called Andromeda II.
Complex organic molecules, consisting of carbon bonded with
other elements like oxygen and hydrogen, are common in the Milky Way, but it was uncertain whether they would be produced in certain
dwarf galaxies like the neighboring Large Magellanic Cloud.
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.
Because
dwarf galaxies do not host
other gamma ray sources, they make ideal laboratories to search for signs of dark matter annihilation.
The origin of a fast radio burst in this type of
dwarf galaxy suggests a connection to
other energetic events that occur in similar
dwarf galaxies, said co-author and UC Berkeley astronomer Casey Law, who led development of the data - acquisition system and created the analysis software to search for rapid, one - off bursts.
The findings suggest that the
dwarfs are likely tiny leftovers of larger
galaxies that were stripped of their outer layers after colliding into
other, larger
galaxies M87 and M59, respectively.
The findings suggested that the
dwarfs were likely tiny leftovers of larger
galaxies that were stripped of their outer layers after colliding into
other, larger
galaxies.
«Many of the stars in the bridge appear to have been removed from the SMC in the most recent interaction, some 200 million years ago, when the
dwarf galaxies passed relatively close by each
other.
If the signal is down to dark matter it should be seen in
other galaxies, such as
dwarf galaxies.
THE
galaxy's empire has a new colony — a
dwarf galaxy larger than nearly all the
other satellites of the Milky Way.
Irregular
dwarf galaxies like Barnard's get their bloblike forms from close encounters with
other galaxies.
NGC 6822, about 1.6 million light - years away, is classified as an irregular
dwarf galaxy because of its odd shape and relatively small size compared with
other galaxies, such as our own, the Milky Way, and its
other neighbors, the Andromeda and Triangulum
galaxies.
Dwarf galaxies orbiting the Milky Way lack
other types of gamma - ray emitters and contain large amounts of dark matter for their size — in fact, they're the most dark - matter - dominated sources known.
Through its detailed pictures, Keck allows us to learn more about puny brown
dwarfs, raging weather on Jupiter, super dense
galaxies and
other celestial happenings.
We know that such objects need to have a low - density environment without
other large
galaxies nearby that would disturb it, but they also need a supply of small but gas - rich «
dwarf»
galaxies to accrete and build the really large diffuse extended disk.
Applying this method to one recently discovered
dwarf galaxy called Eridanus II, the scientists found a lot less dark matter in the center than many
other models would have shown.
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.
On the
other hand, several similarities were discovered with the chemical composition observed for stars in nearby massive
dwarf galaxies, such as Sagittarius and the Large Magellanic Cloud.
Her research is focused on using radio observations of novae and symbiotic systems to examine the evolution of accreting
dwarf galaxies among
other things.
Their study is indeed a smoking gun that exotic neutron star mergers were occurring very early in the history of this particular
dwarf galaxy, and for that matter likely in many
other small
galaxies.
From its stellar contents, it is resembling
other low surface brightness members of the local group such as the Sculptor
dwarf galaxy, but it is so highly obscured that it was hidden up to the 1994 investigation.
Because of the extreme intrinsic luminosity of M54 in comparison to the
other globular clusters associated with SagDEG, it has been speculated early that M54 may be the nucleus of this
dwarf galaxy, or the remnant of its nucleus (Bassino and Muzzio, 1995).
«There are also two
other classes of extreme events — long duration gamma - ray bursts and superluminous supernovae — that frequently occur in
dwarf galaxies, as well.
The only
other extragalactic globular listed in the Messier Catalogue, Messier 54, is believed to belong to the Sagittarius
Dwarf Elliptical
Galaxy, a satellite
galaxy of the Milky Way.
Others have suggested that as - yet undiscovered
dwarf galaxies» star formation process has been cut off, making them virtually impossible to see.
When that happens, it will be known as a white
dwarf, and will remain so for the billions of years it takes to cool down... twinkling in the night sky, hopefully for beings on the
other side of the
galaxy to admire and make a nightly wish upon.