India discovers sub-Saturn size planet
New Delhi, June 21: The Ahmedabad-based Physical Research Laboratory (PRL) has discovered a sub-Saturn or super-Neptune size planet (with mass equivalent to 27 Earths and size six times of Earth's radius) around a Sun-like star, an official statement said on Thursday.
This discovery is very important for understanding the formation mechanism of such super-Neptune or sub-Saturn kind of planets that are too close to the host star and as well as planet formations around Sun-like stars, said the Space Department statement.
The planet will be known as EPIC 211945201b or K2-236b.
With this discovery, "India has joined a handful of countries which have discovered planets around stars beyond our solar system", it said.
The research work has appeared online in Astronomical Journal of the American Astronomical Society.
The discovery was made by a team of scientists and engineers led by Abhijit Chakraborty by measuring the mass of the planet using the indigenously designed "PRL Advance Radial-velocity Abu-sky Search" (PARAS) spectrograph integrated with 1.2m Telescope at PRL's Gurushikhar Observatory in Mount Abu, India.
"Only 23 such planetary systems (including this discovery) are known to this date with masses between 10 and 70 Earth mass and size of 4 to 8 Earth radii with such precise measurement of mass," the release said.
"Further, PARAS is the first of its kind spectrograph in Asia which can measure the mass of a planet going around a star. Very few spectrographs exist around the world that can do such precise measurements."
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MYAS launches quiz on national flag, 25 top-scorers to get trip to Siachen with Mandaviya
New Delhi, Aug 7 (PTI): The Ministry of Youth Affairs and Sports (MYAS) has launched an online quiz on the national flag and 25 top-scoring participants in the age bracket of 21 to 29 will get an opportunity to visit Siachen with Sports Minister Mansukh Mandaviya.
The quiz, according to the ministry, will "foster patriotism and enhance awareness about the Indian National Flag."
"This online quiz, hosted on the MYBharat portal (mybharat.gov.in), invites all citizen to participate and test their knowledge about the Tricolour," the ministry stated.
It will consist of multiple-choice questions and all contestants will be awarded an e-certificate.
"As a grand incentive, 25 top-scoring participants will be selected for a remarkable opportunity to visit Siachen in the company of the Union Minister for Youth Affairs and Sports, Dr. Mansukh Mandaviya," the ministry said.
"The selection of winners for the Siachen visit will be limited to youth between the ages of 21 and 29. The final selection of the 25 winners will be conducted through a computer-based lottery system from the pool of top scorers," it added.
