Agency readies for ’God of Chaos’ space rock arrival — NASA asteroid WARNING

In 2029 the asteroid Apophis will come closer to Earth than some of our satellites. Image Credit NASA  JPL-Caltech

In 2029 the asteroid Apophis will come closer to Earth than some of our satellites. Image Credit NASA JPL-Caltech

"We already know that the close encounter with Earth will change Apophis' orbit, but our models also show the close approach could change the way this asteroid spins, and it is possible that there will be some surface changes, like small avalanches", said Davide Farnocchia, an astronomer at JPL's Center for Near-Earth Object Studies (CNEOS), who co-chaired the April 30 session on Apophis with Brozovi?. According to NASA, Itokawa was discovered on September 26, 1998, by the Lincoln Laboratory Near-Earth Asteroid Research Team at Socorro, New Mexico. In two of the five particles analyzed, the team identified the mineral pyroxene.

ASU researchers got a hold of the samples and found they contained a mineral called pyroxene.

"I'm happy to report that our hunch paid off", said Bose, a co-author on the researcher paper published in the journal Science Advances.

The asteroid Itokawa has been classified as an S-type asteroid.

Japan's Hayabusa was the main shuttle sent to a space rock - Itokawa to bring back examples.

Itokawa, having been in its current state for 8 million years, has been subject to multiple impacts, shocks and fragmentation.

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"Although the samples were collected at the surface, we don't know where these grains were in the original parent body".

Samples from another asteroid, Ryugu, had almost no water at all.

The NanoSIMS measurements revealed the samples were unexpectedly rich in water. Some objects, comets and asteroids, from the outer solar system have high D/H ratios, and if they collided with Earth and provided water, then our planet's D/H ratio would be much higher.

"More importantly, several Itokawa-like bodies may have collided with the proto-Earth and provided water to the planet", he said. Johnson said that FEMA and NASA will be continuing to work together in conducting frequent exercises and this in turn helps them to work side by side and learn to meet their objectives and needs that has been given in the White House National NEO Preparedness action plan. On April 13th, 2029, the asteroid known as Apophis will pass by Earth at a distance of just 19,000 miles.

The minerals have hydrogen isotopic compositions that are indistinguishable from Earth. But the discovery of even these amounts of water with the correct isotope signature means that asteroids like it that struck the Earth could have provided more than half of Earth's oceans.

"Pattern-return missions are obligatory if we actually need to do an in-depth examination of planetary objects", Bose informed CNN.

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