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Raja Chari: Indian American Astronaut chosen by NASA

Raja Chari, an American of Indian descent, has been chosen by NASA as one of the 12 astronauts for a new space mission.

Raja Chari. Twitter.
  • Raja Chari is an American of Indian descent chosen by NASA for the new batch of astronauts
  • Currently, he is a Lieutenant Colonel in the US Air Force
  • Chari will have to go through two years of astronaut training which begins in August

June 06, 2017: NASA has chosen 12 astronauts out of a record-breaking 18,300 applications for upcoming space missions. An American of Indian descent, Raja Chari, has successfully earned his spot in the top 12.

The astronauts were selected on the basis of expertise, education, and physical tests. This batch of 12 astronauts is the largest group selected by NASA since two decades. The group consisting of 7 men and 5 women surpassed the minimum requirements of NASA.

Born in Waterloo, Iowa, Chari graduated from Air Force Academy in 1999 with a bachelor’s degree in Astronautical Engineering and Engineering Science. He went on to complete his master’s in Aeronautics and Astronautics from Massachusetts Institute of Technology. The astronaut is also a graduate of US Naval Test Pilot School.

Currently, Raja Chari is a Lieutenant Colonel in the US Air Force. He is the commander of 461st Flight Test Squadron and director of the F-35 Integrated Test Force at Edwards Air Force Base in California.

After Late Kalpana Chawla, Lt. Col. Raja Chari is the second Indian American astronaut chosen by NASA.

The 12 astronauts will have to go through two years of training. Upon completion, they will be assigned their missions ranging from research at the International Space Station, launching from American soil on spacecraft by private companies, to flying on deep space missions on NASA’s Orion Spacecraft.

The US Vice-President Mike Pence visited the Johnson Space Centre in Houston to announce and congratulate the new batch. Pence also said that President Trump is “fully committed” to NASA’s missions in space.

by Saksham Narula of NewsGram. Twitter: @Saksham2393

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Jupiter’s Great Red Spot grows taller: NASA

Jupiter's Great Red Spot, which has been shrinking for a century and a half, seems to be growing taller as it gets smaller

NASA to release two missions focused on moon soon in 2022. Pixabay
NASA's reveals the change in size of Jupiter's red spot. Pixabay

Jupiter’s Great Red Spot, which has been shrinking for a century and a half, seems to be growing taller as it gets smaller, NASA scientists have found.

The Great Red Spot is a persistent high-pressure region in the atmosphere of Jupiter, producing an anti-cyclonic storm 22 degree south of the planet’s equator.

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Jupiter’s red spot is becoming longer. Pixabay.

The findings, published in the Astronomical Journal, indicate that the Great Red Spot recently started to drift westward faster than before. Historically, it’s been assumed that this drift is more or less constant.

The study confirms that the storm has been decreasing in length overall since 1878 and is big enough to accommodate just over one Earth at this point. But the historical record indicates the area of the spot grew temporarily in the 1920s.

“Storms are dynamic, and that’s what we see with the Great Red Spot. It’s constantly changing in size and shape, and its winds shift, as well,” said Amy Simon, an expert in planetary atmospheres at NASA’s Goddard Space Flight Centre in Maryland.

Also Read: NASA Reveals Plans For Future Missions To Moon

“There is evidence in the archived observations that the Great Red Spot has grown and shrunk over time,” added Reta Beebe, Professor at New Mexico State University in Las Cruces. “However, the storm is quite small now, and it’s been a long time since it last grew,” Beebe said.

Because the storm has been contracting, the researchers expected to find the already-powerful internal winds becoming even stronger. However, instead of spinning faster, the storm appears to be forced to stretch up. The change in height is small relative to the area that the storm covers, but it’s still noticeable.

Further, the Great Red Spot’s colour is also deepening, becoming intensely orange since 2014, the researchers observed. While the researchers are not sure why that’s happening, it’s possible that the chemicals which colour the storm are being carried higher into the atmosphere as the spot stretches up.

Jupiter’s red spot is decreasing in width. NASA

At higher altitudes, the chemicals would be subjected to more UltraViolet radiation and would take on a deeper colour. Once big enough to swallow three Earths with room to spare, the mystery surrounding Great Red Spot seems to deepen as the iconic storm contracts.

Researchers do not know whether the spot will shrink a bit more and then stabilise, or break apart completely. “If the trends we see in the Great Red Spot continue, the next five to 10 years could be very interesting from a dynamical point of view,” the researchers said.

“We could see rapid changes in the storm’s physical appearance and behaviour, and maybe the red spot will end up being not so great after all,” they added. IANS