Reference: http://news.yahoo.com/hidden-alien-planet-revealed-own-gravity-180918022.html
Summary: Astronomers have
discovered at least one, if not more, unseen alien planets. It has the mass of abut Saturn and
orbits its sun once every 57 days.
Critique: I think that this was
very interesting to know that there are other planets that are circling the
same sun and we didn’t even know it!
Impact: This is a neutral impact
because it can be both good and bad.
It can be good because maybe the planets have an effect on us, but it
can be bad because we don’t know very much about the planet, and it was just
discovered. What else is out there in our solar system that we haven’t
discovered?
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