The 10 Most Habitable Planets


Essay, 2015
8 Pages, Grade: A
Anonymous

Excerpt

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Intro:
FindinglifeoutsideofEarthhasplayedanenormouspartinthehistoryofSpace.So
farwehavenoproofthatlifeexistsbeyondourownplanet,although,afteralotof
work,scientistshavesurprisinglyfoundplacesthatcould,infact,sustainlife.This,
ofcourse,isn'tguaranteed,but,ifweweretolivethere,wewoulddojustfine.
In the following list, I will be writing about the top 10 places that could quite
possibly have alien life. Some of these places can be as far 1,000 light years or as
closeasJupiter,keepreadingtolearnmoreabouttheseextraordinaryplaces.
List:
10. Tau Ceti F
TauCetiFisoneofthetwoplanetslocatedatit'ssolarsystem'shabitablezone.The
planetliesjust 11.9 lightyearsawayfromus, makingitoneofEarth's neighbor's.
Theplanetisbelievedtohavewater,anditisabout4.3timesbiggerthentheEarth,
causingittohavemoregravity,thus,forcingittokeepmostofit'swater,right?
Well yes, only if the planet was a couple billion years older. Study from NASA's
telescopes,suggeststhattheplanethasonlyrecentlymovedtothegoldilockszone,
makingitaninhabitableplanetforacouplemorebillionyears.
9. HD 85512 b
This weirdly named planet orbits it's star,
HD 85512, around 35 light years away from
Earth. The recently discovered planet is located at hottest part of the Goldilocks
zone,anditisbelievethatliquidwatercanbefoundonit'ssurface.

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Inorderforthisfascinatingplanettobehabitable,forhumans,orforalienlife,ithas
to contain at least 50% of cloud (water vapor). So far, the planets atmospheric
composition is still unknown, therefore, it is very unlikely for life to form on this
planet, but, compared to most of the exoplanets found, it's still one of the most
habitableplanets.
8. Gliese 581 D
ThisplanetIsjust20lightyearsawayfromEarth,whichisthedistancelighttravels
in20years,anditiscurrentlyorbitingtheGliese581redstar,whichisfamousfor
thediscoveryofsomelikelyhabitableplanets.Thestarislocatedattheouterlayer
ofit'ssolarsystemsgoldilockszone(Habitablezone)thus,causingit'stemperature
todroptoanaverageof18C.Thisisalsocausedbyitslackofatmosphere,which
hereonEarth,helpsheatupourplanet.
Gliese581Disn'texpectedtohaveadvancedalienlife,although,itissaidthatthe
lowest temperature life can withstand is 20 degrees Celcius, therefore, there is a
small chance that microscopic extremophiles (organisms that can survive in
extremeenviroments)arelivingthere.
7. Gliese 667 Cf
There is very little known about this cosmically insane planet, one of the craziest things
about this planet, is that it's part of a rare three sun system. This super earth is currently
orbiting at the goldilocks zone of its red dwarf, which is approzimately 31% the size of
our own sun. Also, the planet is orbiting 18 million kilometers away from it's red star,
therefore, it is orbiting much closer to it's sun then Earth is. The planet is slightly further
then 22 light years and due to the fact that it's a super Earth, there is an enormously high
chance of it being a rocky world.

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The temperature is expected to be 30C in average, which makes it quite likely to have
water, although, the planet, has to have at least 50% water vapor in order to sustain life,
either wise, it will be as dry and sandy as Mars. It is believed that this planet has a similar
atmosphere to Earth, so therefore, it probably has that 50% of water vapour.
6. Kepler62e
Again, this Earth-like planet, is located at the goldilocks zone and is about 1.6 times
bigger then our own planet. One year, is about 122 days, meaning that you would have to
buy 3 times more calendars if you lived there. This planet is believed to be a rocky world,
therefore, it is unsurprisingly likely for it to have water.
Also, the planet probably contains oxygen and it is always warm and humid, except in it's
ice poles. It is very likely that advanced life has formed there.
5. KOI 736.01
KOI stands for kepler object of interest due to the fact that this is one of the most likely
habitable planets discovered. This fascinating planet is just 0.12G more then Earth, and is
also 1.6 times bigger. There is very little known about this planet, but it is believed that
it's similar to Mars and that it has water, weather and oxygen.
The planet is considered one of the most habitable planets based on the habitability rating
system. The planet is a meso-planet meaning that it's neither too big nor too small. It has
a rocky surface and it's temperature is 0 degrees celcius minimum and 50C maximum. As
I said earlier, has a similar atmosphere with Earth and it is expected to have oxygen. Like
all of the planets in this list, it is located in the goldilocks zone.

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4. Kepler 69C
This is one of the most fascinating planets we have found. It is believed that this
planetisorbitingatthemosthabitablepartofthegoldilockszone.ThisVenuslike
planethasahighchanceofcontainingessentialgasessuchasoxygen,aswellasthe
mostessentialliquidofall,water.
In space, it is easy to find water, although, it is hard to keep it in it's liquid state.
Fortunately, Kepler 69C is about 70% larger then Earth meaning that it has more
gravity.Thisextragravity,hashelpedKepler69Ckeepit'swater,thus,makingitan
oceanworld.Andasfarasweknow,water=life
Sadly,thisplanetisanastonishing2,700lightyearsawayfromEarth,meaningthat
reachingitwiththecurrenttechnologywilltaketensofthousandsofyears.
3. Kepler 186f
SeemstomethattheKeplertelescopehasfoundalotofhabitableplanets...
Kepler 186f was one of the first Earthlike planets to be discovered, and it is still
consideredoneofthetopplanetsthatcansupportlife.Thereisaveryhighchance
oftheplanetbeingarockyworld,anditislocatedatthebestspotofthegoldilocks
zone. Due to it's Earth like size, the planet is likely to have a similar gravity,
therefore, it is highly likely that it is partially covered with oceans, just like the
Earth.
The planetis located at the constellation Cygnus and it is orbiting the star Kepler
186, which is approximately 500 light years away from our own planet. Reaching
this world would be a huge milestone, due to it's enormous distance but also
becauseofit'shugechanceofhabitability.
Excerpt out of 8 pages

Details

Title
The 10 Most Habitable Planets
Grade
A
Year
2015
Pages
8
Catalog Number
V311402
ISBN (eBook)
9783668100527
ISBN (Book)
9783668100534
File size
468 KB
Language
English
Tags
most, habitable, planets
Quote paper
Anonymous, 2015, The 10 Most Habitable Planets, Munich, GRIN Verlag, https://www.grin.com/document/311402

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