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The Blue Planet

30 Aug 2013, 11:59 UTC
The Blue Planet
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“Mars is red, Earth is Blue, We’ve discovered lots of new worlds, And one of them is blue too!” So I’m not a poet and I definitely know it! Nevertheless,...

“Mars is red, Earth is Blue,
We’ve discovered lots of new worlds,
And one of them is blue too!”

So I’m not a poet and I definitely know it! Nevertheless, last month thanks to the Hubble Space Telescope, astronomers were able to determine the colour of one the Exoplanets closest to us. However, despite its colour similarity to our Earth, it is not quite like home.
Artists impression of the blue exoplanet. (Image credit: NASA, ESA, M. Kornmesser.)

Hundreds of Exoplanets have been discovered in the last twenty years orbiting stars outside of our Solar System. Many of these worlds have been described as ‘Hot Jupiters’; planets which have a similar mass to the largest of our planets, Jupiter. Most of these types of exoplanets orbit very close to their parent stars making them much too hot for life to exist taking only a matter of days to complete an orbit. While the search for liveable planets is thought to be most likely in the habitable region, in ...

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