News tagged with years

10 facts about the Milky Way

The Milky Way Galaxy is an immense and very interesting place. Not only does it measure some 100,000–120,000 light-years in diameter, it is home to planet Earth, the birthplace of humanity. Our Solar System ...

dateDec 04, 2014 in Space Exploration
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Analysts: 'Giving Tuesday' raised $46M for charity

The U.S. fundraising drive known as "Giving Tuesday" is having a growing impact for nonprofit groups, with nearly $46 million raised for charity over a 24-hour period, according to initial numbers released Wednesday.

dateDec 04, 2014 in Other
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Herschel observes Andromeda's past and future stars

Recently, the infrared Herschel Space Observatory, has taken a series of beautiful high-resolution infrared images of Andromeda. It is the first time we can see M31, at these wavelengths, at such a high resolution. ...

dateDec 01, 2014 in Astronomy
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Image: The Pillars of Creation

The Pillars of Creation (seen above) is an image of a portion of the Eagle nebula (M16) taken by Hubble Space Telescope in 1995. It soon became one of the most iconic space images of all time. The Eagle nebula ...

dateOct 01, 2014 in Astronomy
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How small can galaxies be?

Yesterday I talked about just how small a star can be, so today let's explore just how small a galaxy can be. Our Milky Way galaxy is about 100,000 light years across, and contains about 200 billion stars. Th ...

dateSep 29, 2014 in Astronomy
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Measuring the proper motion of a galaxy

The motion of a star relative to us can be determined by measuring two quantities, radial motion and proper motion. Radial motion is the motion of a star along our line of sight. That is, motion directly ...

dateSep 23, 2014 in Astronomy
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