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Still a filament arrow?

On May 28, 2015 (above left), the sun, as seen by NASA's Solar Dynamics Observatory, showed a pair of filaments in the form of an arrow. The filaments appeared to remain stable as they rotated around to the far side of the ...

dateJun 22, 2015 in Space Exploration
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SOHO image: Here comes the sun

The Solar and Heliospheric Observatory (SOHO) has been watching the Sun for almost 20 years. In that time it has seen solar activity ramp up and die down repeatedly. Its Extreme ultraviolet Imaging Telescope has taken images ...

dateJul 13, 2015 in Space Exploration
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See Venus at her most ravishing

Venus is HUGE right now but oh-so-skinny as it approaches inferior conjunction on August 15. Like crescents? You'll never see a thinner and more elegant one, but first you'll have to find it. Here's how.

dateAug 11, 2015 in Space Exploration
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Once around the sun with Jupiter

For Jupiterians (Jovians?) a trip around the sun takes 12 Earth years. If you were born today on the planet or one of its moons, you'd turn one year old in 2027 and reach the ripe old age of 12 in 2111.

dateJul 09, 2015 in Space Exploration
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In the realm of eternal ice

On 6 November 2010, the light of the star known as NOMAD1 0856-0015072 in the Cetus constellation dimmed. What had happened? A dwarf planet at the edge of the solar system had moved in front of the distant star - its name: ...

dateApr 23, 2015 in Space Exploration
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