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Latest Milky Way Stories

Large Magellanic Cloud Completes One Rotation Every 250M Years
2014-02-18 13:13:39

[ Watch the Video: Large Magellanic Cloud Rotation Cycle ] Lee Rannals for redOrbit.com - Your Universe Online Scientists using NASA's Hubble Space Telescope found that the Large Magellanic Cloud (LMC) completes a rotation every 250 million years. The team used Hubble to measure the average motion of hundreds of individual stars in the nearby galaxy, which is located about 170,000 light-years from Earth. "Studying this nearby galaxy by tracking the stars' movements gives us a...

2014-02-18 12:36:25

WASHINGTON, Feb. 18, 2014 /PRNewswire-USNewswire/ -- Using the sharp-eyed NASA Hubble Space Telescope, astronomers have for the first time precisely measured the rotation rate of a galaxy based on the clock-like movement of its stars. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) According to their analysis, the central part of the neighboring galaxy, called the Large Magellanic Cloud (LMC), completes a rotation every 250 million years. It takes our sun the same...

ESA's Gaia Mission Is Beginning To See Things More Clearly
2014-02-06 13:37:15

Lee Rannals for redOrbit.com - Your Universe Online The European Space Agency’s (ESA) billion-star surveyor mission is slowly beginning to see more clearly. ESA’s Gaia launched on December 19, 2013, and since then it has been preparing for its mission to gather loads of data on stars that surround us. Gaia took a test image of a dense cluster of stars in the Large Magellanic Cloud as part of a “fine tuning” test to get the spacecraft into focus. The new image is allowing ESA...

2014-01-29 12:20:28

WASHINGTON, Jan. 29, 2014 /PRNewswire-USNewswire/ -- Astronomers using NASA's Hubble Space Telescope and Europe's Herschel Space Observatory have pieced together the evolutionary sequence of compact elliptical galaxies that erupted and burned out early in the history of the universe. (Logo: http://photos.prnewswire.com/prnh/20081007/38461LOGO) Enabled by Hubble's infrared imaging capabilities, astronomers have assembled for the first time a representative spectroscopic sampling of...

Astronomer Discovers Hydrogen River Flowing Into Nearby Galaxy
2014-01-28 09:52:49

April Flowers for redOrbit.com - Your Universe Online What might be a never-before-seen river of hydrogen flowing through space has been discovered by West Virginia University astronomer, D.J. Pisano, using the National Science Foundation's (NSF) Robert C. Byrd Green Bank Telescope (GBT). A study, published in the Astronomical Journal, reveals that this river is a faint, very tenuous filament of gas, which is streaming into the nearby galaxy, NGC 6946. Understanding this may help...

ultramassive black hole
2014-01-24 04:20:25

redOrbit Staff & Wire Reports - Your Universe Online Using NASA’s Chandra X-ray Observatory and a host of other telescopes, astronomers have managed to locate one of the most powerful black holes ever discovered – a gravity-intense region of space that is located nearly four billion light years from Earth and has prevented trillions of stars from forming. This black hole, which is located in a galaxy cluster known as RX J1532.9+3021 (or RX J1532 for short), has created gigantic...

FIRE Project Explains Galactic Masses
2014-01-23 09:00:42

April Flowers for redOrbit.com - Your Universe Online A puzzling contradiction has challenged astrophysicists for decades: many galactic wind models—which are simulations of how matter is distributed in the universe—predict that most of the "normal" matter exists in stars at the center of galaxies. However, these stars actually only account for less than 10 percent of the matter in the universe. Now, new simulations have revealed insight into this mismatch between models and reality,...

ESO Lagoon Nebula Images
2014-01-22 11:11:31

[ Watch The Video: Zooming In On The Lagoon Nebula ] Brett Smith for redOrbit.com - Your Universe Online The European Space Observatory (ESO) is currently in the midst of conducting eleven public surveys of the sky using telescopes at its facility in Chile, and scientists have just released images from the project of the Lagoon Nebula. Located approximately 5,000 light years from Earth in the constellation of Sagittarius, the Lagoon Nebula is a giant cloud 100 light-years across that...

Bar Galaxies Galaxy Zoo
2014-01-17 09:25:09

[ Watch the Video: How Have Barred Spiral Galaxies Evolved Over Time? ] John P. Millis, PhD for redOrbit.com - Your Universe Online There are a number of interesting puzzles in astronomy that have faced significant challenge because the analysis simply requires massive amounts of data and complicated algorithms that demands serious computing power. Luckily, in at least some of these cases, the same algorithms that are a difficult for a computer to execute are relatively easy for our...

Hypervelocity Stars Escape Galaxy
2014-01-10 08:44:12

April Flowers for redOrbit.com - Your Universe Online A surprising new class of hypervelocity stars has been discovered by an international team of astronomers. These solitary stars are moving fast enough to escape the gravitational grasp of the Milky Way galaxy, according to a study presented at the annual meeting of the American Astronomical Society. The findings were also published in the Astrophysical Journal. "These new hypervelocity stars are very different from the ones that...


Latest Milky Way Reference Libraries

45_d4a20fda769b165e44826492e9e54549
2010-09-16 15:18:29

The Virgo Cluster consists of galaxies at a distance of around 59 Mly away in the constellation Virgo. Containing between 1300 to 2000 galaxies the Virgo Cluster is the heart of the Local Supercluster. Its mass is estimated at 1.2 × 1015 M☉ out to 8 degrees of the cluster's center or a radius of about 2.2 Mpc. Most of the brighter galaxies in the cluster were discovered by Charles Messier in the late 1770's and early 1780's, including the giant elliptical Messier 87. Messier...

45_9843bacae4e6aaccde9ad6442185fc8e
2010-09-16 15:14:03

The two Magellanic Clouds (or Nubeculae Magellani), composed of the Large Megellanic Cloud and the Small Magellanic Cloud, are irregular dwarf galaxies visible in the southern hemisphere. They are members of our Local Group and orbit the Milky Way galaxy. Persian astronomer Al Sufi, in 964, was the first to have written anything about the Magellanic Clouds proving they have been known since early time amongst the Middle East peoples. Sufi, in his Book of Fixed Stars, calls the clouds...

67_62ac767a66aa75de2afaba1deb05cb8c
2010-09-13 17:05:00

The Local Group, compromising more than 30 galaxies (including dwarf galaxies and the Milky Way), is a group of galaxies with a gravitational center located somewhere between the Milky Way and the Andromeda Galaxy. With a binary (dumbbell) shape and a total mass of (1.29 ± 0.14) × 1012M the Local group covers a 10 million light-year diameter. The local group is part of the Virgo Supercluster. The two largest galaxies in the group are the Milky Way and the Andromeda both Spiral...

0_f4481922276ba4c514be3c10ce5dff39
2010-09-13 16:24:54

At a distance of 3.9 Mpc from the Milky Way, the Sculptor Group is one of nearest groups of galaxies to the Local Gropu. Sculptor is made up of a loose group of galaxies near the south galactic pole. The Sculptor Galaxy (NGC 253) and a few other galaxies form a gravitationally-bound core in the center of this group, however, since they are only weakly bound the group may also be described as a filament. There also some other galaxies associated with the group but not gravitationally...

10_64bae601e600c32f789a1665a3ebda942
2004-10-19 04:45:44

Aquila (the Eagle) Constellation -- Location: Northern Hemisphere; Coordinates: Right Ascension: 20h; Declination: 05; Source: Various cultures - Greek, Arab, Persian, Indian, Japanese, Chinese, Korean The story behind the name In the ancient Middle Eastern and Mediterranean cultures, the constellation Aquila is seen as the shape of a flying bird. The pattern contains three prominent stars that can be seen to outline the wings of a bird, but are also the focus of quite different myths...

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Word of the Day
cacodemon
  • An evil spirit; a devil.
  • A nightmare.
  • In astrology, the twelfth house of a scheme or figure of the heavens: so called from its signifying dreadful things, such as secret enemies, great losses, imprisonment, etc.
'Cacodemon' comes from a Greek term meaning 'evil genius.'
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