Kepler-11 is an amazing, newly-discovered system of exoplanets. About 2000 light years from Earth, six planets orbit a star like our Sun. Each planet is bigger and more massive than the Earth. This whole planetary system is squeezed into a region slightly larger than Mercury’s orbit. This bizarrely shrunken Read more…
Don Pollacco, a research astronomer at Queens University Belfast, came to Armagh Planetarium to give a fascinating talk on exoplanets in January 2011. Afterwards Dr Pollaco kindly chatted to me about his experiences. CJ: Thanks for a really interesting talk. So why did you get into astronomy? DP: I was Read more…
The extra-solar planet HAT-P-1b has baffled astronomers since it was discovered in 2006. The planet is puffed up much larger than theory predicts. HAT-P-1 has a volume nearly twice than of Jupiter’s yet it contains only half Jupiter’s mass. Most exoplanets so far discovered fall into the category of Read more…
Could HIP 13044 b be the strangest exoplanet yet found? We are getting used to the discoveries of bizarre exoplanets but newly-discovered world HIP 13044 b not only survived the cataclysm of its star swelling into a red giant, but it also originally came from another galaxy! If you Read more…
About 490 light years from our planet in the constellation of Monoceros lies a G type star designated COROT-7. A little smaller and dimmer than our Sun, this star is circled by at least two planets, one of which, COROT-7b, is the most similar exoplanet to Earth yet discovered. Read more…
Some 150 light years from Earth in the constellation of Pegasus lies the star HD 209458 and its planetary system. The star is almost a clone of our own Sun, but one its planets is completely unlike anything in our Solar System. The exoplanet HD 209458b has a mass more Read more…
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