 |
| © Provided by BGR |
By Mike Wehner, BGR
Lately, a lot of the exoplanets discovered by astronomers have been incredibly far away. Spotting planets at a huge distance is
still important, and every new planet researchers are able to detect
adds to our knowledge of the universe and nature itself, but most of
them are so distant that we’ll likely never actually visit them.
A recent almost-discovery of so-called “super Earth” could change that. Astronomers have spotted what they believe is evidence of a massive, rocky world over three times the size of Earth, but the most exciting thing about it is that it’s only around six light years away.
In a new paper published in Nature,
researchers explain that they’ve detected a dip in the brightness of a
nearby red dwarf known as Barnard’s star. That dip, which occurs every
233 days, might be the telltale sign that a planet is in orbit around
it.
By
crunching a wealth of data gathered by many different observational
efforts, the scientists believe that the planet orbiting the dim star is
a big ball of rock much like Earth, only significantly larger. However,
because its host star is so mild, it’s likely that the planet is
seriously chilly.
Compared to our own Sun, the red dwarf being orbited by this super Earth
is just 0.4 percent as bright. That means the planet is getting very
little energy as it drifts in orbit, offering little more than a dim
glow. Because of this, the large world is likely around 247 degrees
Fahrenheit below zero. You wouldn’t want to visit.
Earth-like
planets are at the top of the list for scientists to scour for evidence
of extraterrestrial life, but the likelihood of finding life on this
newly-discovered planet is slim. Researchers believe the planet is
devoid of water, which is a big must-have for life as we know it, and
the icy-cold climate probably doesn’t make it very hospitable.
COMMENTS