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NASA captures peanut-shaped asteroid that passed Earth

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Washington: NASA scientists have captured a peanut-shaped asteroid that approached close to Earth last weekend. The next time an asteroid will approach Earth this close will be in 2054.

The asteroid named 1999 JD6 appears to be a contact binary — an asteroid with two lobes that are stuck together.

On July 24, the asteroid made its closest approach to Earth at a distance of about 7.2 million kms, or about 19 times the distance from Earth to the moon.

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This collage of radar images of near-Earth asteroid 1999 JD6 was collected by Nasa on July 25, 2015. The images show the rotation of the asteroid.

“Radar imaging has shown that about 15 percent of near-Earth asteroids larger than 600 feet, including 1999 JD6, have this sort of lobed, peanut shape,” said Lance Benner of NASA’s Jet Propulsion Laboratory in Pasadena, California, in a statement.

To obtain the views, researchers paired NASA’s Deep Space Network antenna at Goldstone, California with the National Science Foundation Green Bank Telescope in West Virginia.

The images show the asteroid is highly elongated, with a length of approximately two kms on its long axis.

NASA’s asteroid-tracking mission places a high priority on tracking asteroids and protecting our home planet from them.

(IANS)

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SpaceX Plans To Send NASA Astronauts To Space in Q2 This Year

As part of the test on Sunday, SpaceX configured Crew Dragon to trigger a launch escape about 1.5 minutes after liftoff

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NASA
It took a lot of work between NASA and SpaceX to get to this point. Pixabay

After NASA and SpaceX successfully completed a launch escape demonstration of the company’s Crew Dragon spacecraft and Falcon 9 rocket, Elon Musk said that his aerospace company aims to send NASA astronauts to space between April and June this year.

This was the final major flight test of the spacecraft before it begins carrying astronauts to the International Space Station (ISS) under NASA’s Commercial Crew Programme, the US space agency said in a statement on Sunday.

With this test now complete, the next big flight of the Crew Dragon will have people on board: NASA astronauts Bob Behnken and Doug Hurley.

“We’re highly confident that the hardware will be ready in Q1, most likely at the end of February but no later than March. And we think it appears probable that the first crewed launch would occur in the second quarter,” said Musk after the successful uncrewed test of its Crew Dragon capsule’s in-flight launch escape capabilities.

Musk said that if all goes well, the first crewed flight on the Crew Dragon could take place in the second quarter of this year.

“This critical flight test puts us on the cusp of returning the capability to launch astronauts in American spacecraft on American rockets from American soil,” said NASA Administrator Jim Bridenstine. “We are thrilled with the progress NASA’s Commercial Crew Programme is making and look forward to the next milestone for Crew Dragon.”

As part of the test on Sunday, SpaceX configured Crew Dragon to trigger a launch escape about 1.5 minutes after liftoff. All major functions were executed, including separation, engine firings, parachute deployment and landing. Crew Dragon splashed down at 10:38 am just off the Florida coast in the Atlantic Ocean.

“As far as we can tell thus far, it’s a picture perfect mission. It went as well as one can possibly expect,” said Musk. “This is a reflection of the dedication and hard work of the SpaceX and NASA teams to achieve this goal. Obviously, I’m super fired up. This is great.”

NASA
After NASA and SpaceX successfully completed a launch escape demonstration of the company’s Crew Dragon spacecraft and Falcon 9 rocket, Elon Musk said that his aerospace company aims to send NASA astronauts to space between April and June this year. Wikimedia Commons

Prior to the flight test, teams completed launch day procedures for the first crewed flight test, from suit-up to launch pad operations. The joint teams now will begin the full data reviews that need to be completed prior to NASA astronauts flying the system during SpaceX’s Demo-2 mission. “The past few days have been an incredible experience for us,” said astronaut Doug Hurley.

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“Today, we watched the demonstration of a system that we hope to never use, but can save lives if we ever do. It took a lot of work between NASA and SpaceX to get to this point, and we can’t wait to take a ride to the space station soon,” he said in the NASA statement. (IANS)