Some of the scariest exoplanets ever

Even though there have been a few discovered exoplanets that resemble Earth’s conditions, there are many more out there that equate to living in a nightmare. Some have extremely hot or cold temperatures, some have endless clouds of poisonous gases, and one even has tiny shards of glass flying about that would make minced meat out of anyone of us. Here are a few of these extraordinary exoplanets.

OGLE-2005-BLG-390L b

Situated about 21,500 lightyears away from the Sun, near the center of the Milky Way galaxy, this exoplanet has a rocky core similar to Earth, but is 5 times bigger than our planet. What’s scary about it is that it’s not super hot, but extremely cold. The surface temperatures range within the 50 Kelvin region which is about −220 °C or −370 °F. It also takes 10 Earth years to Orbit its star, OGLE-2005-BLG-390L. Don’t expect it to thaw anytime during its rotation either since it’s in a permanent state of winter.

HD 189733 b

Just 63 lightyears away from the Sun, HD 189733 b is located in the constellation of Vulpecula, the Fox. It orbits its host star every 2.2 days at a speed of 341,000 mph because it’s about 30 times closer to the star than the Earth is to the Sun. As a result of this proximity, it’s also extremely hot. It’s also a gas giant like Jupiter which translates into temperatures around 1,250 °C or 2,300 °F. What’s even worse is that tiny silicate particles are compressed and heated into tiny shards of glass which are whipped around the atmosphere at extremely high rates of speeds because of winds blowing at over 7,000 km/h or 4,000 mph. There have even been storms with record speeds of up to 22,000 mph. Better bring your tweezers, because you’ll have a lot of glass to pick from your skin, if you survive that is. Scientists believe the silicate particles are the main factor in giving the planet its blue colour.


If you’re afraid of the dark, then TrES-2b should give you never ending nightmares. It’s 750 lightyears away from the Sun and orbits the GSC 03549-02811 star. It has been classified as one of the darkest exoplanets ever, reflecting just 1% of the light from its host star with a variance of just 2.53% between day and night. Scientists are unsure why it’s so dark but they figure that the vaporized sodium, potassium, or gaseous titanium oxide, and hot temperatures in the 1000 °C or 1800 °F range account for it not being able to reflect much light. If you were to view it directly, it would be darker than coal. As a result of these light-absorbing gases floating around in the atmosphere, the surface is remains in complete darkness.
It’s also tidally locked, which means that one side is always facing its host star while the other side is in constant darkness.

GJ 1214 b/Gliese 1214 b

GJ 1214 b is situated 42 lightyears away from the sun in the Ophiuchus constellation. It’s dubbed as the “Super Earth” because it is larger than Earth but has a mass and radius significantly less than those of the gas giants in the Solar System. In comparison to some of the other scorching exoplanets, it’s a relatively cool body ranging in the 20–282 °C or 68–540 °F zone. The planet is also very water-rich, but is still inhabitable because of the fluctuating temperatures. On the surface, water is existent only in gaseous form, and deeper down into the surface, the added high pressure causes water to transform into a ionic/plasma state or “hot ice” which certainly is not drinkable.


Welcome to hell, a.k.a. Kepler-78b. Located about 400 lightyears from our Sun, it’s about 20% bigger than planet Earth, it has an earth-like composition of rock and iron. Scientists are baffled by its existence though because it orbits its host star 20 times closer than that or Mercury to our Sun, which is one of the closest planer to star orbit on record. Even though it has a very basic Earth-like structure, it’s pretty much where the Devil lives because temperatures range in the region of 2,030 °C or 3,680 °F. The high temperatures have stripped it of any particles that were in gaseous form even though its liquid and solid portions continue to remain ‘stable’. This would be the perfect place to play hot lava because the extreme temperatures keep the rocky in a permanent molten state.

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