Scientist Discovered Earth Sized Planet Orbiting A Dwarf StarGokul Saravanan (Author) Published Date : Mar 29, 2018 14:03 IST
Exploration is a never-ending scenario of mankind. In older days humans explored places inside their planet but now the exploration extended from inside to out. Actually a long outside. But the thing exploring never ends.
Since now the space scientists of our planet have discovered more than 3000 planets that orbiting outside from our solar system. They use many methods to find the presence of a planet like Watching For Wobble, searching For Shadows, Taking Pictures, Light In Gravity lenses, miniscule Movements. But among them, Wobble method and shadow searching methods are the frequently used methods to find an inter-solar system planet. Somehow 3569 planets have been discovered by those two methods.
Now Again the scientists from University of Warwick and Aix-Marseille University have jointly found an Earth-Sized Mercury-like planet at 339 light years away from the Earth.
The scientists said that the planet is orbiting a dwarf star in the Virgo Constellation that is 260 light years away from the earth. The star hosts the planet and the planet orbits the star within 14 hours.
The scientist discovered the planet with the help of Kepler Telescope later implementing the Doppler Spectroscopy Technique that was also known as wobble method. The scientists named the planet as K2-229b. The scientists also calculated the mass and size of the planet by calculating the orbiting velocity of the planet around the star and the amount of wobbling starlight while the planet periodically blocking the start from Kepler's view. The scientists say that the wobbling may be due to some gravitational tug from the planet.
The K2-229b is founded as rich in metals like the planet Mercury of our solar system and the daytime temperature may reach the highest up to 2000 degree Celsius. The planet is also two and a half times greater in mass and 20% larger when compared to the earth.
In the Wobble Method, the scientist uses to calculate the orbiting speed of both the hosting star and its planet around a centre of mass to decrypt the mass of a planet and the size. The orbiting speed varies for both the star and the planet around the centre of the mass where the star having its quarter part inside the centre of mass in this case. This results in an enormous wobble in the star and a gravitational tug in the orbiting planet that helped to detect the planet by the Kepler Telescope. The Doppler Spectroscopy method can decrypt some basic information about a planet by using the time and velocity of a wobbling star and its orbiting planet.
Scientist Discovered Earth Sized Planet Orbiting A Dwarf Star