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BBC Stargazing Live

16 Jan 2012, 20:15 UTC
BBC Stargazing Live
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We at Planet Hunters are thrilled to be part of this year’s BBC Stargazing Live - three nights of astronomy programing featured on the BBC hosted by Dara O Briain and Prof Brian Cox. Existing Planet Hunters will be glad to know that to celebrate we’ve put brand new data up on the site – Quarter 4 has now been added and there’s more to come. We’re keen to win the race to find whatever’s in this dataset, and so we’ve challenged the viewers of Stargazing to help us view 250,000 classifications light curves in the next 2 days.There’s a countdown on the Planet Hunters homepage, and we’ll announce what we might have found on Wednesday’s edition of Stargazing.
If you’re new to PH, let us tell you more about the project. With your help, we are looking for planets around other stars. When an extrasolar planet or exoplanet passes in front of its parent star, or transits, a dimming of the star’s light is observed. The transit depth, or decrease in the star’s brightness, is related to ratio of the planet’s radius to that of the star. For a Jupiter-­‐ sized planet (~10 Earth radii), the transit depth is ...

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