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Nearest star from the sun has earth like planet.
#8
RE: Nearest star from the sun has earth like planet.
(October 17, 2012 at 2:20 pm)Chuck Wrote:
(October 17, 2012 at 1:25 pm)Welsh cake Wrote: Bloody hell, it took three years of observations to confirm Earth's nearest known exoplanet. Now that must have been a difficult analysis.


Basically, planets that are big, massive and orbits closer to its star are easier to detect. This planet orbits comparatively close to its star, but is quite small, and light weight, in comparsion to what we've been able to detect around other stars. It would not have been one of the easier ones to detect.

Planets that are smaller or further out can be extremely difficult to detect. So difficult that we can't even rule out that there might be undetected, earth sized planets out in and beyond the Keiper belt orbiting our own sun. We don't think there are, but we our available observation is not sufficient to rule that out.
Its plausible then that we haven't discovered any actual exoplanets, just really big brown dwarfs. Undecided

The cosmos must have planets orbiting stars, and rogue planets, in their abundance...
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RE: Nearest star from the sun has earth like planet. - by Welsh cake - October 17, 2012 at 4:49 pm

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