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Astronomy

Speedy stars

A gang of stars on the edge of our galaxy is running away Think stars don’t move? Think again! When you look into the sky at night, the stars may appear to stay in place. But stars are always on ...

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Medusa nebula

Medusa nebula is a large planetary nebula located in Gemini. It is also known as Sharpless 274. It was originally discovered in 1955 by UCLA astronomer George O. Abell, who classified it as an old planetary nebula. The braided serpentine ...

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NGC 6514 (M20) The Trifid Nebula

The beautiful Trifid Nebula is a cosmic study in colorful contrasts. Also known as M20, it lies about 5,000 light-years away toward the nebula rich constellation Sagittarius. A star forming region in the plane of our galaxy, the Trifid illustrates ...

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Spiral Galaxy M 51

It’s about 35 million light years distant, located beneath the handle of the Big Dipper. On a clear, dark night you can make out the spiral arms if you have a telescope with sufficient aperture (8 in. or so). It ...

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The Seyfert galaxy NGC 1097

Two galaxies, about 50 million light-years away, are locked in a galactic embrace — literally. The Seyfert galaxy NGC 1097, in the constellation of Fornax (The Furnace), is seen in this image taken with the VIMOS instrument on ESO’s Very ...

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NGC 3190 : A spiral galaxy

NGC 3190 is a spiral galaxy with tightly wound arms and lying in the constellation Leo. It was discovered by William Herschel in 1784. NGC 3190 is member of Hickson 44 galaxy group, estimated at around 80 million light years ...

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Tulip Nebula

Framing a bright emission region this telescopic view looks out along the plane of our Milky Way Galaxy toward the nebula rich constellation Cygnus the Swan. Popularly called the Tulip Nebula the glowing cloud of interstellar gas and dust is ...

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Hot Gas Sloshing in a Galactic Cauldron

 Galaxies are social beasts that are mostly found in groups or clusters – large assemblies of galaxies that are permeated by even larger amounts of diffuse gas. With temperatures of 10 million degrees or more, the gas in galaxy groups ...

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New Views of Titan’s Land of Lakes

 With the sun now shining down over the north pole of Saturn’s moon Titan, a little luck with the weather, and trajectories that put the spacecraft into optimal viewing positions, NASA’s Cassini spacecraft has obtained new pictures of the liquid ...

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A Fresh Look at Northern Lakes on Titan

  During closest approach of this Titan flyby, Cassini’s visible and infrared mapping spectrometer (VIMS) instrument will, for the first time, acquire images of Punga Mare.   It will also view the surrounding area, including Ligeia Mare and some of ...

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The Spiral Galaxy : NGC 4274

NGC 4274 is an odd barred spiral in Coma Berenices about 50 to 60 million light-years distant by redshift. Other measurements put it much closer or further but also average about 55 million light-years. If correct it is likely a ...

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Planetary nebula NGC – 5189

Planetary nebulae represent the final brief stage in the life of a medium-sized star like our sun. While consuming the last of the fuel in its core, the dying star expels a large portion of its outer envelope. This material ...

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Saturn’s auroras

This false-color composite image, constructed from data obtained by NASA’s Cassini spacecraft, shows the glow of auroras streaking out about 1,000 kilometers (600 miles) from the cloud tops of Saturn’s south polar region. It is among the first images released ...

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Quasars: Brightest Objects in the Universe

Quasars: Brightest Objects in the Universe Shining so brightly that they eclipse the ancient galaxies that contain them, quasars are distant objects powered by black holes a billion times as massive as our sun. These powerful dynamos have fascinated astronomers since ...

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