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Latest Astronomical spectroscopy Stories

Exploring Hidden Milky Way
2013-08-01 08:48:11

John P. Millis, PhD for redOrbit.com - Your Universe Online Understanding how the Milky Way formed is one of the central scientific questions in astronomy. However, given the scale and complexity of the galaxy, there is a lot to consider. One of the ways researchers have found to tell the story of our galaxy's history is to create a detailed stellar census, analyzing spectra of large numbers of stars. "A star's spectrum is a powerful tool for learning about the star - it tells us key...

Quasar Radiation Influences Galaxy Growth
2013-07-25 05:58:07

Lee Rannals for redOrbit.com - Your Universe Online Astrophysicists writing in The Astrophysical Journal have shed some new light on the universe's brightest objects - quasars. The team from Dartmouth University published details about discoveries based on 10 quasar observations. They wrote about the power of quasar radiation, which can reach out for many thousands of light years to the limits of the quasar's galaxy. Astrophysicists Ryan Hickox and Kevin Hainline and colleagues used...

Project 1640 Imaging System Allows Astronomers To See Distant Exoplanets
2013-03-13 21:39:14

Brett Smith for redOrbit.com — Your Universe Online Using a state-of-the-art telescopic imaging system, astronomers are now able to see planets that orbit distant stars, known as exoplanets, more easily and in greater detail, according to a report in the Astrophysical Journal. Scientists gather information from distant planets via the light they radiate, referred to as their spectra, and previously, astronomers have only been able to analyze planets as they pass in front of, or...

Evidence Of Gas Flow As Galactic Fuel Found
2013-01-12 08:28:26

redOrbit Staff & Wire Reports — Your Universe Online Thanks to observations obtained using the Hubble Space Telescope, researchers have discovered direct, empirical evidence of the existence of gas flows that are consumed by galaxies as fuel. A team led by Nicolas Lehner, research associate professor at the University of Notre Dame, studied data collected by the telescope´s two ultraviolet spectrographs, the Cosmic Origins Spectrograph and the Space Telescope Imaging...

Astrochemistry Entering New Era As Technologies, Techniques Move Ahead
2012-09-20 12:59:12

[WATCH VIDEO] Lee Rannals for redOrbit.com — Your Universe Online A new field of chemistry is arising through the development of technologies, and it ensures that scientists do not just set their sights on things of this Earth. Astrochemistry is entering a new era with the development of the Atacama Large Millimeter/submillimeter Array (ALMA) telescope and new laboratory techniques. Scientists were able to improve and speed up the process of identifying the "fingerprints" of...

2011-11-02 21:23:39

RIT professor co-authors Nature article and Gemini Observatory's 1,000th paper The discovery of 13 diffuse interstellar bands with the longest wavelengths to date could someday solve a 90-year-old mystery. Astronomers have identified the new bands using data collected by the Gemini North telescope of stars in the center of the Milky Way. Nature reports on its website today findings that support recent ideas about the presence of large, possibly carbon-based organic...

Image 1 - Cosmic Fog Clears In Distant Galaxies
2011-10-12 09:37:17

[ Watch the Video ] New VLT observations chart timeline of deionization Scientists have used ESO´s Very Large Telescope to probe the early Universe at several different times as it was becoming transparent to ultraviolet light. This brief but dramatic phase in cosmic history – known as deionization – occurred around 13 billion years ago. By carefully studying some of the most distant galaxies ever detected, the team has been able to establish a timeline for deionization...

Image 1 - Einstein's Theory Of Relativity Confirmed
2011-09-28 14:51:08

New measurements have confirmed Albert Einstein's general theory of relativity after an experiment last week brought the theory into question. Einstein's general theory of relativity says that light emitted from stars and galaxies is slightly tugged by gravity from celestial bodies. Physicists reported last week that neutrinos can travel faster than light, which sent a blow to Einstein's theory of special relativity. The particles in the experiments conducted between the European...

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2011-05-03 06:30:00

Berkeley Lab-led BOSS proves it can do the job with quasars The biggest 3-D map of the distant universe ever made, using light from 14,000 quasars "“ supermassive black holes at the centers of galaxies billions of light years away "“ has been constructed by scientists with the third Sloan Digital Sky Survey (SDSS-III). The map is the first major result from the Baryon Oscillation Spectroscopic Survey (BOSS), SDSS-III's largest survey, whose principal investigator is David Schlegel...

2010-08-09 14:02:50

Using 'dark channel' fluorescence, scientists can explain how biochemical substances carry out their function Spectroscopic techniques are among the most important methods by which scientists can look inside materials. They exploit the interaction of light waves with a given sample. Now, using X-ray absorption spectroscopy, researchers from Helmholtz-Zentrum Berlin fr Materialien und Energie (HZB) have observed the moving of electric charges from solute to solvent "“ so-called electron...


Latest Astronomical spectroscopy Reference Libraries

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2010-09-08 16:02:39

As of 2009, JKCS 041 is a group of galaxies with the distinction of being the farthest away group from Earth ever observed. Seen at redshift 1.9, it is estimated to be 10.2 billion light years away. The cluster is located within the constellation Cetus at a photometrically determined redshift of z=1.9 at right ascension 2h 26m 44s declination -04° 41"² 37"³ (J2000.0).

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2004-10-19 04:45:41

Doppler Effect -- The Doppler effect is the apparent change in frequency or wavelength of a wave that is perceived by an observer moving relative to the source of the waves. For waves, such as sound waves, that propagate in a wave medium, the velocity of the observer and the source are reckoned relative to the medium in which the waves are transmitted. The total Doppler effect may therefore result from both motion of the source and motion of the observer. Each of these effects is analyzed...

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