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Planet Venus

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Are Venus' Volcanoes Active? Clues Suggest Yes

New evidence hints that Venus may be volcanically active, which has long been a controversial topic among scientists.Six years of observations by the European Space Agency's Venus Express spacecraft have shown significant changes in the sulfur dioxide content of the planet's atmosphere over time, which could be explained by a bout of volcanism.Immediately after arriving at Venus in 2006, the spacecraft recorded a significant increase in the average density of sulfur dioxide in the upper atmosphere, followed by a sharp decrease, according to a release from the European Space Agency (ESA).Venus' atmosphere contains much higher levels of sulfur dioxide than on Earth . On our planet, the smelly, toxic gas is produced by volcanoes. [ Planet Venus: Quiz Yourself on Venus Facts ]Sulfur dioxide doesn't last long in Venus' upper atmosphere, because it is broken down by sunlight. Any sulfur dioxide in the upper regions must have recently arrived there from the thick protective clouds that swirl ...

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  1. How to Photograph the Rare Transit of Venus Safely

    Witnessed only seven times since the time of Galileo, Venus’s solar crossing on Tuesday (June 5) is a rare and historic event that shouldn’t be missed. Unless modern...

  2. Saturn Meets Venus in Dawn Sky This Week

    For the last month or two, the planet Saturn has been on the far side of the sun, but emerges this week at dawn right next to the brilliant planet Venus.Most of the ...

  3. Venus Crosses the Sun for Last Time Until 2117, Skywatchers Rejoice

    NEW YORK – It's something no one alive today will likely ever see again: The planet Venus crossing the sun — a small, black dot moving across the fiery face of our n...

  4. Scientists to Use Venus Transit to Hone Alien Planet Search Techniques

    Astronomers around the world will take advantage of Tuesday's historic Venus transit to get better at finding and characterizing alien planets.Venus will cross the s...

  5. Troubled Japanese Venus Probe Set for 2015 Comeback

    SAN FRANCISCO — After blowing its first chance to orbit Venus two years ago, Japan's Akatsuki spacecraft is ready for a comeback in 2015, mission scientists say.The ...

  6. Transit of Venus on Tuesday Is Rarer Than Halley's Comet

    The last chance most of us will ever have to see the planet Venus pass in front of the sun is coming up this Tuesday (June 5).On that day, more than half the world w...

  7. Planet Venus Visible All Night Long This Weekend

    The planet Venus is now at its peak of visibility in the evening sky this weekend, making now a prime time to spot the bright planet.This weekend, Venus should appea...

  8. See Dazzling Venus at Its Brightest This Week

    Step outside any night this week about an hour after sunset and have a look at the western sky. The first thing that will catch your eye is the brilliant planet Venu...

  9. Rare & Historic Transit of Venus Across Sun Occurs Today

    Skywatchers have the opportunity to witness history today (June 5), as the planet Venus rambles across the face of the sun in a rare event that will not be visible a...

  10. Atmosphere of Venus Has Strange Magnetic 'Ropes'

    Strange, newly discovered structures in Venus' atmosphere are redrawing scientists' perceptions of the planet's magnetic environment.The European Space Agency's Venu...

  11. Excitement Builds for Rare Transit of Venus on June 5

    Scientists are gearing up for the upcoming transit of Venus, an extremely rare opportunity to watch the planet Venus pass in front of the sun as seen from Earth.Venu...

  12. Near-Earth Asteroid Loses Its Magnetic Mojo

    An asteroid that zooms inside the orbit of Venus has lost its magnetic mojo, perhaps after clearing out the debris along its orbital path, a new study reports.Three ...

  1. Lightning on Venus Is Just Like Here on Earth

    Lightning on Venus and Earth may spark in much the same way despite vast differences in the atmospheres of the two planets, scientists say. " Venus and Earth are oft...

  2. Scientists Release Images of Venus' South Pole

    European scientists on Thursday released the first photos of Venus' south pole from their orbiting Venus Express spacecraft — revealing a swirling twist of cloud tha...

  3. Transit Trivia: 5 Odd Facts About Venus

    Venus is in the spotlight Tuesday (June 5) as it makes a rare pass across the face of the sun. The transit of Venus occurs in pairs more than a century apart. The la...

  4. Venus Transit Today May Shine Light on Venusian Mysteries

    Skywatchers around the world will get a once-in-a-lifetime chance to see Venus cross in front of the sun today (June 5). The so-called transit of Venus is more than ...

  5. European Space Probe Goes Into Orbit Around Venus

    After a 250 million-mile journey, a European space probe reached orbit around Venus on Tuesday on a mission to explore the planet's dense, hot atmosphere.Mission con...

  6. Russian scientist claims 'signs of life' on barren, boiling Venus

    A Russian scientist claims to have spotted signs of life in the most unlikely spot in the universe: Venus, the arid, scorching second-closest planet to the sun.Venus...

  7. Japan launches satellite for 2-year study of Venus climate

    TOKYO (AP) — Japan launched a new spacecraft Friday on a two-year mission to study the planet Venus and its climate.A rocket carrying the Venus climate orbiter calle...

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