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NEOWISE Celebrates Five Years of Asteroid Data ‘ Solar System Exploration: NASA Science

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NASA’s Near-Earth Object Wide-field Infrared Survey Explorer (NEOWISE) mission released its fifth year of survey data on April 11, 2019. The five years of NEOWISE data have significantly advanced scientists’ knowledge of asteroids and comets in the solar system, as well as the stars and galaxies beyond.

The data from all five years of the survey are available at: http://wise2.ipac.caltech.edu/docs/release/neowise/.

“NEOWISE recently surpassed 95 billion recorded measurements of asteroids, comets, stars and galaxies ‘ a remarkable accomplishment for a recycled spacecraft,” said Lindley Johnson, NASA’s planetary defense officer and head of the Planetary Defense Coordination Office at NASA Headquarters in Washington. “This asteroid hunter has measured the sizes of more than 1,000 near-Earth asteroids and is still producing great data, making it a unique asset in our portfolio of asteroid-hunting telescopes and an important prototype for an upcoming space-based NEO survey mission.”

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Japan space probe drops explosive on asteroid to make crater

TOKYO (AP) – Japan’s space agency said its Hayabusa2 spacecraft successfully dropped an explosive designed to make a crater on an asteroid and collect its underground samples to find possible clues to the origin of the solar system.

Friday’s crater mission is the riskiest for Hayabusa2, as it had to immediately get away so it won’t get hit by flying shards from the blast.

The Japan Aerospace Exploration Agency, or JAXA, said that Hayabusa2 dropped a “small carry-on impactor” made of copper onto the asteroid Friday morning, and that data confirmed the spacecraft safely evacuated and remained intact. News | NEOWISE Celebrates Five Years of Asteroid Data www.jpl.nasa.gov /news/news.php?feature=7375 NEOWISE Celebrates Five Years of Asteroid Data Comet C/2018 Y1 Iwamoto as imaged in multiple exposures of infrared light by the NEOWISE space telescope. The infrared images were taken on Feb. 25, 2019, when the comet was about 56 million miles, or 90 million kilometers, from Earth. JAXA is analyzing data to examine if or how the impactor made a crater.

Japanese spacecraft drops bomb on asteroid in bid to understand origin of solar system

Japan’s space agency has dropped a bomb the size of a baseball onto an asteroid in an effort to understand the origin of the solar system.’

The Hayabusa2 spacecraft was used to fire the copper explosive towards the asteroid, named 162173 Ryugu, making a crater which it could then collect underground samples from.

The Japan Aerospace Exploration Agency (Jaxa) confirmed the mission had been successful, despite a high risk that the Hayabusa2 could be hit by flying shards from the blast.

Scientists said the spacecraft managed to escape intact after dropping the “small carry-on impactor”, which weighs just two kilograms.

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