Not exact matches
Since astronomers don't know much about how strongly
galactic dust polarizes light, researchers involved in the Background Imaging of Cosmic Extragalactic Polarization, or BICEP, experiment relied
on whatever information they could get their hands
on.
He is a specialist
on active
galactic nuclei, superbright
galactic cores thought to be caused by giant black holes sucking in and heating up quantities of gas and
dust.
Most galaxies in the universe revolve around central black holes, which feed voraciously
on galactic gas and
dust and spew out radiation.
Dust grains in the Galaxy could imprint a similar polarization pattern in the CMB as gravitational waves can, but based
on several different predictions of the
galactic contribution the researchers concluded that their data was more likely to originate from primordial gravitational waves.
A popular theory known as the «unified theory» suggests that differences in the brightness of active
galactic nuclei, as seen from here
on Earth, are due to the placement of this donut of obscuring
dust relative to our angle of observation.
This fuzzy warmth from the
galactic center has puzzled scientists for 30 years and clearer observation of it has led Ghez and her collaborators to conclude that it is most likely superheated interstellar
dust on the verge of falling into the black hole in the paper presenting their findings in the current issue of Astrophysical Journal Letters.
We have clearly detected FIR
dust emission extended in the halo of the galaxy; there are two filamentary emission structures extending from the
galactic disk up to 9 kpc in the northern and 6 kpc in the northwestern direct... ▽ More We present new far - infrared (FIR) images of the edge -
on starburst galaxy NGC253 obtained with the Far - Infrared Surveyor (FIS) onboard AKARI at wavelengths of 90 um and 140 um.
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