Sentences with phrase «says cosmochemist»

The first requires a supernova, «which, during the process of exploding itself all over the place, forms these weird isotopes,» says cosmochemist Laurie Leshin of Arizona State University, who worked on the study.

«I have high confidence that their data is excellent,» says cosmochemist Meenakshi Wadhwa of Arizona State University in Tempe.

Those planets» existence alone isn't surprising, says cosmochemist Meenakshi Wadhwa of Arizona State University in Tempe.

Not exact matches

But for 5 days every month, Earth's magnetosphere passes over the moon, shielding it from the solar particles and allowing slower speed particles from Earth to take their place, says Kentaro Terada, a cosmochemist at Osaka University in Toyonaka, Japan.

«This is a curious finding that is understandably going to fascinate a lot of people,» says David Kring, a cosmochemist at the Lunar and Planetary Institute in Houston, Texas.

That's because, on top of bringing water, they are also believed to have delivered much of Earth's so - called volatile elements, namely, carbon, nitrogen, and noble gases, says Conel Alexander, a cosmochemist at the Carnegie Institution for Science in Washington, D.C. To explain the abundance of these elements, there would have had to have been enough impacts to also deliver Earth's water, he says.

«We don't have any similar objects on Earth,» says Guy Libourel, a cosmochemist at the Côte d'Azur Observatory in France.

The oxygen - rich supernova dust grain has a different composition than one reported earlier this year in Nature by cosmochemist Larry Nittler of the Carnegie Institution in Washington, D.C. «That's exciting,» says Nittler.

«In order to find Earth - like planets, we have to look for certain signatures,» said Zega, a cosmochemist at the UA's Lunar and Planetary Lab.