star forming galaxy Videos

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Over the past decade comprehensive and systematic studies of star formation and the gas contents of galaxies during the epochs that are associated with the peak (z~1-3), and subsequent winding down of star formation have enabled us to illustrate the important role that cold gas plays in the assembly of galaxies across cosmic time. These studies show that star forming galaxies contained significantly more molecular gas at earlier cosmic epochs than at the present time. Global rates of galaxy gas
⏲ 30 min 29 sec ✓ 08-Sep-2020
NRAO astronomer Al Wootten discusses using the ALMA telescope to observe ices in the planet forming disks around young stars.nnDiscover more about Our Milky Way Galaxy on our website: nhttps://public.nrao.edu/radio-astronomy/our-milky-way-galaxy/nnTake a virtual tour of the Milky Way in our Milky Way Explorer: nhttps://public.nrao.edu/explore/milky-way-explorer/nnCredits: Alexandra Angelich, Bill Saxton, and Jeff Hellerman NRAO/AUI/NSF; M. Kornmesser, L. Cieza et al., ALMA (ESO/NAOJ/NRAO)nnMusic
⏲ 1 min 97 sec ✓ 13-Feb-2017
Galaxies are vast systems of planets, stars, gas, dust and dark matter bound together by gravity. Scientists estimate that there are around 170 billion galaxies in the observable universe, ranging in size from tens of millions of stars to one hundred trillion stars. The shape and composition of a galaxy is influenced by interactions with neighboring galaxies and dramatic galactic collisions that often take place. Our own galaxy, the Milky Way, is set to eventually collide with our neighbor Andro
⏲ 46 sec ✓ 17-May-2014
This schematic image represents how light from a distant galaxy is distorted by the gravitational effects of a nearer foreground galaxy, which acts like a lens and makes the distant source appear distorted, but brighter, forming characteristic rings of light, known as Einstein rings. An analysis of the distortion has revealed that some of the distant star-forming galaxies are as bright as 40 trillion Suns, and have been magnified by the gravitational lens by up to 22 times.nnMore information and
⏲ 28 sec ✓ 13-Mar-2013
The NASA/ESA Hubble Space Telescope has made detailed observations of the dwarf galaxy NGC 2366. While it lacks the elegant spiral arms of many larger galaxies, NGC 2366 is home to a bright, star-forming nebula and is close enough for astronomers to discern its individual stars. This video pans across Hubble’s observations of this galaxy.nnCredit:nNASA, ESA. Music: John Dyson (from the album Moonwind).nnMore information and download-options:nhttp://spacetelescope.org/videos/heic1207b/
⏲ 38 sec ✓ 11-May-2012
This video sequence starts with a broad view of the sky, including the famous constellation of Orion (The Hunter). We gradually close in on an unremarkable patch of sky called the Chandra Deep Field South that has been studied by many telescopes on the ground and in space.nnA team of astronomers has used ALMA (the Atacama Large Millimeter/submillimeter Array) to pinpoint the locations of over 100 of the most fertile star-forming galaxies in the early Universe in this part of the sky.nnThe best m
⏲ 66 sec ✓ 25-Apr-2013
Artist animation revealing an emerging star cluster in the WLM dwarf irregular galaxy. The optical image of the galaxy was taken with the Blanco 4-meter telescope. ALMA data reveal the presence of dense clouds of star-forming dust and gas. The zoom-in illustrates how a collection of stars would appear within one such cloud.Read more about the WLM galaxy here: https://public.nrao.edu/news/pressreleases/wlm-star-clusternnCredit: Bill Saxton (NRAO/AUI/NSF).Music: Mark Mercury.
⏲ 29 sec ✓ 25-Feb-2017
Spanish language video explains how an irregular dwarf galaxy is able to form star clusters similar to those found in larger galaxies. Artist animation revealing an emerging star cluster in the WLM galaxy. The optical image of the galaxy was taken with the Blanco 4-meter telescope. ALMA data reveal the presence of dense clouds of star-forming dust and gas. The zoom-in illustrates how a collection of stars would appear within one such cloud. Credit: Animation by B. Saxton (NRAO/AUI/NSF); Optical
⏲ 61 sec ✓ 03-Sep-2015
Hubble has delivered an unrivalled snapshot of the nearby barred spiral galaxy NGC 1672. This remarkable image provides a high-definition view of the galaxy's large bar, its fields of star-forming clouds and its dark bands of interstellar dust.nnFor more information about this video visit: http://www.spacetelescope.org/videos/heic0706a/
⏲ 2 min 63 sec ✓ 06-Jul-2010
A team of astronomers has used ALMA (the Atacama Large Millimeter/submillimeter Array) to pinpoint the locations of over 100 of the most fertile star-forming galaxies in the early Universe.nnThe best map so far of these distant dusty galaxies was made using the Atacama Pathfinder Experiment (APEX), but the observations were not sharp enough to unambiguously identify these galaxies in images at other wavelengths. ALMA needed just two minutes per galaxy to pinpoint each one within a comparatively
⏲ 42 sec ✓ 25-Apr-2013
Large-scale simulations track the evolution of structure in the ΛCDM universe of dark energy and cold dark matter on scales of billions of light years, and cosmological zoom-in simulations model how individual galaxies evolve through the interaction of baryonic matter and dark matter. New large-scale simulations based on the latest cosmological parameters are being used in novel ways to predict the rate of star formation and the distribution of galaxies with various properties across cosmic tim
⏲ 38 min 52 sec ✓ 02-Jun-2016
This video sequence starts with a broad view of the sky, including the famous constellation of Orion (The Hunter). We gradually close in on an unremarkable patch of sky called the Chandra Deep Field South that has been studied by many telescopes on the ground and in space.nnA team of astronomers has used ALMA (the Atacama Large Millimeter/submillimeter Array) to pinpoint the locations of over 100 of the most fertile star-forming galaxies in the early Universe in this part of the sky.nnThe best m
⏲ 46 sec ✓ 23-Jul-2016
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