The Strangest Exoplanets In The Universe
The search for extra-terrestrial life or SETI is an organisation devoted to find evidences of life on other planets. To do so scientists study other planets or sometimes called exoplanets. Exoplanets are hard to detect but we have discovered quite a few of them in the recent years. The discovery of exoplanets has intensified interest in the search for extraterrestrial life.
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There is special interest in planets that orbit in a star’s habitable zone, where it is possible for liquid water, a prerequisite for life on Earth, to exist on the surface.
Today we are going to talk about two such planets that seem to defy the laws of physics and even change our perspective of planets by telling us something new. These are Gliese 436b and Tres-2b.
Space is full of wonders whose discoveries have always left us wondering. It never fails to bring out the exceptionally weird yet amazing discovery to our knowledge. In all these explorations and discoveries the vivid interest of astronomers led to the discovery of a weird yet astonishing exoplanet which is approximately 31.8 light-years away and is called GLIESE436b otherwise known as GJ436b.
It is a Neptune-sized exoplanet towards the constellation Leo, discovered in August 2004 by R Paul Buttler and Geoffrey Marcy. Transit observations led to the determination of its exact mass and radius, both of which are very similar to that of Neptune, making Gliese 436b the smallest known transiting extra solar planet. They used a method called the Radial Velocity Method which locates an extraterrestrial body by observing how its gravitational pull makes the parent star appear to shift and bend. Even though the planet is huge, it is too compact and is considered as warm-Neptune as it’s similar in size but closer to its star than Neptune is to the Sun. This planet resides very close to gliese436, just about 4 million kilometres away and is at least 6 billion years old which the astronomers do not guarantee. They may or may not be older than this. Lately, the astronomers and scientists have discovered some weird and wild stuffs which is why it won’t be surprising or shocking to know in the near future that there’s a planet where the rain drops are of diamonds or some other amusing facts such as the day is brighter than the sun and nights are darker than the coal.
Nevertheless, one such amazing fact about this planet is that this planet consists of a ginormous layer of water which is in its solid form. To put it in simple words, we can say that it is made of excruciatingly hot ice. The kind of ice which is hotter than the fire itself. However, the ice on the surface of Gliese436b is not normal ice like we have on Earth. The temperature on this planet is almost up to 440 °C which is equal to the temperature of normal fire comparatively. Under this temperature, it is impossible for water to turn into ice or freeze. But this is where our knowledge takes a sleek twist, as far as we know, any liquid takes the shape of an ice when the molecules within that liquid come together to form a strong bond and molecules come together only when the temperature is less else forcefully by implementing pressure and bringing them close. The same happens on this planet too. On Gliese 436 B hydrogen, carbon monoxide, helium and methane are found in abundance. The atmospheric pressure on this planet is so much that oxygen breaks from carbon monoxide and gets separated then combines with 2 hydrogen atoms and forms H2O molecules which in simple words is termed as WATER which is found in abundance on our planet Earth.
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