MOA-2007-BLG-192Lb

It’s a bit of a mouthful but MOA-2007-BLG-192Lb is the smallest extra-solar planet found so far.

This one’s particularly interesting because it is closer in size to the Earth and is further from it’s star than other exoplanets that have been discovered. The majority of exoplanets found are hot Jupiters, massive planets whose orbit is very close to their parent star – these being the easiest to find using current technology. So finding a planet that is 3 times the size of Earth and orbiting it’s star at a distance similar to that between Venus and the Sun, demonstrates that there is the chance that other earth-like planets in earth-like orbits exist. This increases the likelihood of life existing elsewhere in the universe making these very interesting times, astronomically speaking.

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One thought on “MOA-2007-BLG-192Lb

  1. This is what I love about science. It’s all about pushing the boundaries. It wasn’t so long ago that we couldn’t even ‘see’ the planets orbiting distant stars. Now we can.

    Little by little, incremental step by incremental step science marches on.

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