Insights Current Affairs - 2019
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The Quacquarelli Symonds (QS) World University Rankings 2018 has been released. In the list, three Indian universities have featured among the top 200 universities.
The Indian Institute of Technology (IIT)-Bombay, IIT-Delhi and Indian Institute of Science (IISc), Bengaluru, have featured in the top 200 global universities. For the first, three Indian institutions have found a place in the list of top 200 universities in the QS Rankings.
IISc Bangalore has been placed at 190 from the152nd place secured last year. Similarly, IIT Delhi have climbed from 185 to 172 and IIT Bombay has jumped from 219 to 179 this year.
IISc has been placed at 6th position among 959 universities for ‘Citations per Faculty’ in the 2018 rankings. It is measured by calculating how many times research papers from a university is cited in the research work of others and is then calibrated against its faculty strength.
For the first time, the Delhi University (DU) has entered the top 500 group.
Other Indian Universities that find a place in the list are: Jadavpur University (ranked in the 601-650 band), University of Hyderabad (601-650), Anna University (651-700), Manipal University (701-750), Aligarh Muslim University (800-1000), Birla Institute of Technology and Science (800-1000)
The Massachusetts Institute of Technology (MIT) has been ranked as the world’s best university for the sixth consecutive year. The second and third place in the overall rankings has been occupied by Stanford University and Harvard University respectively.
This year’s ranking surveyed 26,000 universities across the globe. In total, 20 Indian institutions have been included in the ranking table this year. The list has a total of 959 top universities.
In the recently released NIRF Rankings for Indian educational institutes, IISc was ranked as the country’s best university. IIT Madras was ranked as the best institute in the category of engineering institutes.
The Quacquarelli Symonds is a British agency that annually ranks higher educational institutes across the world based on six performance parameters such as Research, Teaching, Employability and Internationalisation, in addition to a 40 point weightage to the institute`s stature.
Scientists have discovered the hottest known exoplanet, designated KELT-9b which is warmer than most stars in the universe. The study has been published in the journal Nature.
Exoplanet is a planet that does not orbit the Sun and instead orbits a different star, stellar remnant, or brown dwarf. They are also called as extrasolar planet.
- The planet orbits a massive star KELT-9 every day and a half.
- The planet’s day-side temperature is 4,326 degree Celsius and is only 926 degree Celsius cooler than the Sun.
- The planet is located 650 light years from Earth and sports a giant, glowing gas tail like a comet.
- The ultraviolet radiation experienced by the planet from its star KELT-9 is so fierce that the planet may be evaporating producing a glowing gas tail.
- The Jupiter-like planet is 2.8 times more massive than Jupiter. However, it is only half as dense as that of the Jupiter.
- Due to extreme radiation from its host star the atmosphere of the planet has puffed up like a balloon. It has been classified as a planet by considering its mass but its atmosphere is not similar to any other known planet.
- Due to the bombardment of stellar radiation, the planet is very hot so much so that the molecules such as water, carbon dioxide and methane can not form there.
The first planet outside our solar system was found out in 1995. With the help of NASA’s Kepler telescope, the discovery of planets has become easier. So far, astronomers have identified 52 potentially habitable planets and around 3,600 planets outside our solar system. With the launch of James Webb Space Telescope (JWST) by NASA in 2018, chances of studying planets and detecting a familiar atmosphere will increase manifold. JWST will succeed the Hubble space telescope.