Venus is the most dangerous planet in our
solar system. Its surface is so hot that even lead can melt easily on it. Venus
is hotter than Mercury which is closer to the Sun. The atmosphere of Venus is
acidic. It is almost as dense as water and powerful enough to melt most of the
metals used to build spacecraft. Living on Venus would be like living in hell as compared
to Earth.
But if Venus is the deadliest planet in our
solar system, then what are the deadliest planets discovered in the universe so
far?
1. OGLE-TR-56b
This
planet is about 5 thousand light years away from Earth. It was discovered in
2002 in the Sagittarius constellation. The planet that gives the appearance of
a world of fire is located very close to its star. This planet completes one
cycle around its star in a period of 1.2 days. The average temperature of its
surface reaches 1650 degrees Celsius or 3000 degrees Fahrenheit. This planet is
1.3 times larger than Jupiter, the largest planet in our solar system. Being so
close to its star, its atmosphere is hot enough to rain hot iron water on its
surface.
2. Planet TrES-2b
About 750 light-years away from Earth in the
Draco constellation, astronomers have discovered a planet that is believed to
be the darkest planet. It was discovered in 2006. It is about the size of
Jupiter and has a star about the size of our Sun. But the planet is so dark
that it is thought that it is less reflective than acrylic paint. Due to its temperature of over 982 degrees Celsius or
1800 degrees Fahrenheit, it lacks reflective clouds. It has an atmosphere that
contains light-absorbing chemicals such as sodium and potassium in the form of
water vapor or titanium oxide in the form of gas. Yet none of these chemicals
fully explain the darkest planet in the universe. However, it is not completely
dark. It is so hot that it emits a faint red glow like burning coal.
3. KELT-9b
This planet is located in the Cygnus
constellation at a distance of approximately 670 light years from Earth.
According to astronomers, it is one of the most popular hot planets. It was
discovered in 2017 and is twice the size of Jupiter. It has a star that is
twice as hot and three times as massive as our Sun. This planet is so close to
its star that it takes only a day and a half to complete one cycle in its
orbit. During the day its temperature can be very hot which can reaching around
4315 degrees Celsius or 7800 degrees Fahrenheit. It is so hot that its own
hydrogen-rich atmosphere swells and escapes to its nearest star. Astronomers
believe that at this rate, the planet will lose its entire atmosphere in just
200 Earth years.
4. Proxima B
It is the closest part of our solar system at
a distance of 4 light-years from Earth. It was discovered in 2016. It is about
the size of Earth and it exists outside our solar system. Astronomers initially
thought that it was in the habitable zone of its star and that it could
possibly be suitable for life. Its star is Proxima Centauri, which is a red
dwarf star that has been observed to emit nearly all solar flares. Scientists
believe they have seen the largest flare ever seen from Proxima Centauri. These
flares were so intense that the star brightened 14,000 times in 10 seconds and
blasted Proxima B with a deadly blackout.
5. OGLE-2005-BLG-390Lb
The hottest planet mentioned above is a cold
rocky planet with a very thin atmosphere. This planet is located at the center
of our Milky Way Galaxy. It was believed that this icy world could be favorable
for life, but now it is certain that there is no truth in this matter. Its freezing
temperature can be as low as 220 degrees Celsius or as high as 364 degrees
Fahrenheit. The coldest temperature ever recorded on our planet is 97.8 degrees
Celsius. The planet is so cold that water cannot exist on it in liquid form.
The planet is only 5 times larger than Earth and it completes one cycle around
its star in about 10 years.
The universe is full of hostile planets that
may not be favorable for life, but there are some planets that may become
favorable for life at some point.
Although these planets may not seem favorable
to us, there may be life on these planets that we cannot understand yet.
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