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Latest News About Stars and Galaxies

Galaxy NGC 4214 is dominated by a huge glowing cloud of hydrogen gas in which new stars are being born. A heart-shaped hollow — possibly galaxy NGC 4214’s most eye-catching feature — can be seen at the centre of this.

Stars are giant, luminous spheres of plasma. Galaxies consist of stars, stellar remnants, dust, gas, and dark matter, bound together by gravity. Learn more about stars and galaxies.

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New results from NASA's Galaxy Evolution Explorer and the Anglo-Australian Telescope atop Siding Spring Mountain in Australia confirm that dark energy (represented by purple grid) is a smooth, uniform force that now dominates over the effects of gravity (
A new study could confirm that the mysterious forces of dark energy are pulling the universe apart at ever-increasing speeds.
An artist’s impression showing a galaxy with a molecular outflow. The detection of outflows powerful enough to strip galaxies of their molecular gas reservoir represents solid evidence in support of the merger-driven scenario for the formation of elliptic
Raging galactic windstorms have been observed by the Herschel infrared space observatory.
This sky map shows the location of the canine constellation, the Hunting Dogs, as it appears near the Big Dipper and other nearby star patterns in the May 2011 evening sky.
A starry constellation of two hunting dogs is now visible in the nighttime sky.
This sky map shows how Saturn, the moon and the bright star Spica will appear on May 14, 2011 as seen from mid-northern latitudes at about 9 p.m. local time.
Saturn, the moon and a bright star team up for a night sky triangle this weekend.
Galaxy NGC 4214 is dominated by a huge glowing cloud of hydrogen gas in which new stars are being born. A heart-shaped hollow — possibly galaxy NGC 4214’s most eye-catching feature — can be seen at the centre of this.
A new image from the Hubble Space Telescope reveals a dwarf galaxy packed with young stars and gas clouds.
Some hot Jupiter alien planets orbit very close to the star and in a direction opposite to the stellar rotation.
Among the more than 500 known alien planets, many are oddballs.
When Stars Collide, Stellar Baby Is Born
A pair of white dwarf stars orbiting each other once every 39 minutes will eventually collide in a few million years, creating a newborn stars as seen in this animation.
CfA astronomers have found a pair of white dwarf stars orbiting each other once every 39 minutes. In a few million years, they will merge and reignite as a helium-burning star. In this artist's conception, the reborn star is shown with a hypothetical worl
Astronomers discovered two stars that are set to collide and produce a new star.
Galactic Storm Destroyer of Galaxies
The Herschel Space Observatory has detected massive gas storms emanating from galaxies that have the ability to stunt star growth and end galaxy formation.
The total lunar eclipse of December 21, 2010, and the entire sky is visible from the site of ESO’s Very Large Telescope (VLT) at Cerro Paranal in Chile.
The total lunar eclipse of December 21, 2010, is visible from the site of ESO's Very Large Telescope (VLT) at Cerro Paranal in Chile.
In May and June 2011, four planets will converge in the night sky.
During this month of May, four bright planets will engage in a fascinating dance with each other in the morning sky.
Gravity Probe B: Simple Concept, Decades of Work
A star, telescope and a spinning sphere are all that are necessary but the precise technologies needed to make this orbiting time-space experiment reality took 4 decades to develop.
This sky map shows the location of the huge snake constellation Hydra in the southern sky at around 9 pm ET as seen from the mid-latitudes of the Northern Hemisphere.
The long pattern of Hydra is visible now.
Zoom Into the Meathook Galaxy
Take a trip from Centaurus to the lopsided spiral arms of the NGC 2442 galaxy, nicknamed Meathook.
This close-up Hubble view of the Meathook Galaxy (NGC 2442) focuses on the more compact of its two asymmetric spiral arms as well as the central regions. The spiral arm was the location of a supernova that exploded in 1999. These Hubble observations were
The asymmetrical Meathook galaxy is featured in contrasting views from two telescopes.
This image captures the pair of galaxies NGC 3169 (left) and NGC 3166 (right). These adjacent galaxies display some curious features, demonstrating that each member of the duo is close enough to feel the distorting gravitational influence of the other. Th
Two close spiral galaxies are exerting their distorting gravitational influence on each other.
This image depicts a simulation of the formation of the first stars showing fast rotation.
The first stars may have spun at more than 1 million mph, scientists say.
This new image of Tycho's supernova remnant, Tycho for short, contains striking new evidence for what triggered the original supernova explosion, as seen from Earth in 1572.
New evidence for what may have caused an historic supernova explosion has been found by NASA's Chandra X-ray Observatory.
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