Sentences with phrase «planetary scientist john»
«We won't know until we've got the data,» says planetary scientist John Spencer of the Southwest Research Institute in Boulder, Colorado.
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According to planetary scientist John Spencer of Lowell Observatory in Flagstaff, Arizona, Tvashtar was so close to Io's horizon at the time that the telescope would not have seen the hot material unless it was jetting above the surface.
However, the moon is too big and too close to Jupiter to be a solid hunk of ice, says planetary scientist John Anderson of NASA's Jet Propulsion Laboratory in Pasadena, California.
Not exact matches
«A lake is not a new idea,» said John Grotzinger, a Caltech planetary scientist.
Now, researchers estimate the comet will pass about 131,000 kilometers from the Red Planet on 19 October, says John Moores, a planetary scientist at York University in Toronto, Canada.
«This process may be making a lot of the stuff of life, without any help from things that are alive,» says John Rummel, senior scientist for astrobiology for NASA's Planetary Science Division, who was not involved in the study.
«The biological explanation is becoming less and less plausible,» says John Kerridge, a planetary scientist at the University of California at San Diego who is familiar with both studies.
Along with Harrison and Walton, additional Caltech authors on the paper, «An Ultraluminous X-ray Source Powered by An Accreting Neutron Star,» are postdoctoral scholars Felix Fürst, and Shriharsh Tendulkar; research scientists Brian W. Grefenstette and Vikram Rana; and Shri Kulkarni, the John D. and Catherine T. MacArthur Professor of Astronomy and Planetary Science and director of the Caltech Optical Observatories.
Our celebration of the Mars rovers continues from Southern California Public Radio's Crawford Family Forum, this week featuring planetary scientist and author Jim Bell, Curiosity Project Scientist John Grotzinger, JPL Mars Engineering Manager Rob Manning and Planetary Society CEO planetary scientist and author Jim Bell, Curiosity Project Scientist John Grotzinger, JPL Mars Engineering Manager Rob Manning and Planetary Society CEO scientist and author Jim Bell, Curiosity Project Scientist John Grotzinger, JPL Mars Engineering Manager Rob Manning and Planetary Society CEO Scientist John Grotzinger, JPL Mars Engineering Manager Rob Manning and Planetary Society CEO Planetary Society CEO Bill Nye.
British scientist John Nissen, chairman of the Arctic Methane Emergency Group (of which Wadhams is a member), suggests that if the summer sea ice loss passes «the point of no return,» and «catastrophic Arctic methane feedbacks» kick in, we'll be in an «instant planetary emergency.»