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Sunita Williams among four selected for commercial flights to ISS

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Sunita Williams

Washington: Indian American Sunita Williams is among four astronauts who have been selected by NASA for commercial flights to the International Space Station (ISS) from US soil.

They will work closely with company-led teams to understand their designs and operations as they finalise their Boeing CST-100 and SpaceX Crew Dragon spacecraft and operational strategies.

Williams, Robert Behnken, Eric Boe and Douglas Hurley will be trained for commercial spaceflights that will return American launches to US soil and further open up low-Earth orbit transportation to the private sector, the US space agency said.

“These distinguished, veteran astronauts are blazing a new trail — that will one day land them in the history books and Americans on the surface of Mars,” said NASA administrator Charles Bolden.

Williams, a US Navy captain, received her commission in the Navy in May 1987 and became a helicopter pilot, logging more than 3,000 flight hours in more than 30 different aircraft.

NASA chose Williams for the astronaut programme in 1998. She spent a total of 322 days in space and currently holds the record for total cumulative spacewalk time by a female astronaut (50 hours and 40 minutes).

She now ranks sixth on the all-time US endurance list and second all-time for a female astronaut.

“Their selection allows NASA to move forward with the training necessary to deliver on President Barack Obama’s ambitious plan for returning the launch of the US astronauts to US soil,” said John Holdren, assistant to the President for science and technology.

“This is a new and exciting era in the history of US human spaceflight,” said Brian Kelly, director of flight operations at NASA’s Johnson Space Center in Houston.

The Commercial Crew Transportation Capability (CCtCap) contracts with Boeing and SpaceX each require at least one crewed flight test with at least one NASA astronaut on board.

To meet this requirement, the companies must also provide the necessary training for the crew to operate their respective vehicles. NASA is extensively involved with the companies and reviews their training plans.

“Congratulations to Bob, Eric, Doug and Sunita and welcome to the Commercial Crew team,” noted John Elbon, Boeing vice president.

“We look forward to working with such a highly-skilled and experienced group of NASA astronauts as we carve a path forward to launch in 2017.”

The selections are the latest major milestone in the Obama administration’s plan to partner with the US industry to transport astronauts to space, create good-paying American jobs and end the nation’s sole reliance on Russia for space travel.

(IANS)

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NASA’s Kepler Discovers Nearly 100 New Exoplanets

NASA researchers found that some of the signals were caused by multiple star systems or noise from the spacecraft

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UFO religion as a concept is now becoming a part of popular understanding.
Countless galaxies exist in the universe, each hiding secrets that humankind is yet to unearth. Pixabay
  • NASA’s Kepler has discovered nearly 100 new exoplanets
  • Some of the planets discovered are as large as Jupiter
  • NASA has also found planet which orbits very bright stars

An international team of scientists have confirmed the discovery of nearly 100 new exoplanets — planets located outside our solar system.

The discovery was based on data from the second mission of NASA’s Kepler Space Telescope or K2 released in 2014.

NASA has discovered nearly 100 exoplanets. Wikimedia Commons
NASA has discovered nearly 100 exoplanets. Wikimedia Commons

K2 searches for exoplanet transits by registering dips in light caused by the shadow of an exoplanet as it crosses in front of its host star.

NASA researchers found that some of the signals were caused by multiple star systems or noise from the spacecraft.

But they also detected planets that range from sub-Earth-sized to the size of Jupiter and larger.

Also Read: Milky Way’s neighbouring galaxy is of the same size, not bigger

One of the planets detected was orbiting a very bright star.

“We validated a planet on a 10-day orbit around a star called HD 212657, which is now the brightest star found by K2 missions to host a validated planet,” said lead author Andrew Mayo, a doctoral student at the National Space Institute (DTU Space) at the Technical University of Denmark.

Some of the planets found are as big as Jupiter. VOA
Some of the planets found are as big as Jupiter. VOA

For the study, appearing in the Astronomical Journal, the team started out analyzing 275 candidates of which 149 were validated as real exoplanets.

In turn 95 of these planets have proved to be new discoveries, Mayo said.

The Kepler spacecraft was first launched in 2009 to hunt for exoplanets in a single patch of sky, but in 2013 a mechanical failure crippled the telescope.

NASA has found many planets before as well. Wikimedia Commons
NASA has found many planets before as well. Wikimedia Commons

However, astronomers and engineers devised a way to repurpose and save the space telescope by changing its field of view periodically. This solution paved the way for the follow up K2 mission.

Adding the newly discovered exoplanets brings the total number of exoplanets by K2 mission to almost 300, the study said.

Also Read: NASA sounding rocket probing dark regions of space falter

The first planet orbiting a star similar to our own Sun was detected only in 1995. Today some 3,600 exoplanets have been found, ranging from rocky Earth-sized planets to large gas giants like Jupiter. IANS