10 Dangerous Planet in the Universe

VIVA – The universe is not a friendly place for us humans. We know that if we leave the safety of Earth, there will be all kinds of harsh conditions out there trying to kill us. Some could become habitable if we figure out the answers to a few problems, like the unavailability of oxygen and water. Others would still be unsuitable for human life.

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These dangerous planets are ready to kill any creature that strays too close or tries to develop on them. Most of the planets on this list are not just too hot or cold. They have more terrible conditions that will never support life.

1. Proksima b

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Planet Proxima b

Photo :

• www.phl.upr.edu

First there is Proxima b. This planet looked promising when it was discovered. It orbits Proxima Centauri, a red dwarf 4.24 light-years from Earth. The exoplanet attracts astronomers who think it has water and Earth-like properties.

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But apparently, Proxima b is so close to Proxima Centauri that the exoplanet completes its orbit in 11.2 days. It is also tidally locked, leaving one side very hot and the other very cold and frozen.

Unlike some of the other planets on this list, Proxima b does have a rocky surface, however, it is tidally locked to its star. This means that just like the Moon, only one side of it faces its star all the time. This makes half of Proxima b extremely hot, and the other side extremely cold.

2. Venus

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Venus.

Photo :

• Pixabay

Venus is our other neighbor besides Mars. Because of this, one wouldn’t expect it to be so different from Earth, but the fact that it has such harsh conditions tells us a lot about the habitable zones in star systems. 

A little bit of distance (little on an astronomical scale) can make a huge difference in the conditions of a planet.

The surface of Venus is filled with volcanoes that emit large amounts of heat and carbon dioxide. The large deposit of carbon dioxide makes Venus poisonous for humans. The thick clouds also trap heat and gas, making the planet lethally hot. Temperatures reach a hostile 467 degrees Celsius (872 °F).

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Venus isn’t only extremely hot because of its closeness to the Sun. It is also full of active volcanoes. Because it has a thick atmosphere, the heat and carbon dioxide get trapped within the planet, creating a cycle that raises the temperatures.