Sentences with phrase «when planetary scientists»

When planetary scientists started studying the photographs and data from Voyager and the subsequent Galileo mission that studied the Jovian system during the 1990s and early 2000s, they confirmed this notion: these ridges, or lineae, are fructures, or cracks, on Europa's icy surface, caused be the intense tidal forces of the massive, nearby Jupiter and the orbital resonances with the other nearby moons.

The yellow Humvee was making slow progress across a frigid, otherworldly landscape when planetary scientist Pascal Lee felt the rover tilt backward.

Not exact matches

In 2004, when NASA's Cassini spacecraft first began orbiting Saturn and studying its moon Titan, Brigham Young University planetary scientist Jani Radebaugh was puzzled.

Scientists have long suggested that similar chemical reactions took place when a collision between Earth and a Mars - sized planetary body produced debris that ultimately formed the Moon.

The craters may be up to 4 billion years old, from a time when asteroids were heavily bombarding the early Solar System, says team member William McKinnon, a planetary scientist at Washington University in St. Louis, Missouri.

That makes now the best time for scientists, legal experts and the public to start thinking about when and how we might relax planetary protection protocols if we decide another planet is lifeless, he says.

«I think we're at our best when climate scientists connect the impacts of [climate change] to our personal lives, to our economy, to our families, to our communities,» Hill is an associate professor of earth and planetary sciences at the University of California, Davis.

When at sea, we were treated to some 25 sessions with a diverse faculty, including Larry Cahill, neurobiologist at the University of California, Irvine; Robert Fovell, atmospheric and oceanic scientist at U.C.L.A.; James Gillies, head of communications at CERN; Peter Smith, professor emeritus of planetary sciences at the University of Arizona; and David Stevenson, planetary scientist at the California Institute of Technology.

Scientists have long suspected that our planetary companion was built when a Mars - sized body — commonly known as Theia — struck the young Earth, throwing molten rock into orbit that coalesced into the Moon.

It has collected five of the 18 specimens identified as coming from Mars, including the specimen ALH84001, collected in 1984 and made famous in 1996 when NASA investigators suggested that secondary materials in the cracks of the meteorite might have been created through processes involving life — although most planetary scientists now think otherwise.

Planetary scientists are waiting eagerly for July, when the Dawn spacecraft is due to arrive at asteroid Vesta.

But when NASA's MESSENGER spacecraft detected lots of sulfur and potassium in the crust of Mercury earlier this year, many planetary scientists believed this ruled out the giant - impact scenario for the innermost planet.

«Each and every fresh asteroid, when we traced it backward for 500,000 years, had passed very close to Earth» — within 100,000 kilometers, versus millions of kilometers for the other NEAs — says planetary scientist and co-author Richard Binzel of the Massachusetts Institute of Technology in Cambridge.

The 1300 planetary scientists gathered here suffered sticker shock when Squyres presented the costs of their hoped for missions.

Science first reported on this story last year when the scientists presented the research at the Lunar and Planetary Science Conference in The Woodlands, Texas.

When asteroids or comets strike Venus, their effect is very different from the one such bodies produce on the Earth, Moon and Mars, says a planetary scientist in the US.

The vast fountains of icy material erupting from Enceladus's south pole enthralled planetary scientists when they were first spotted in images returned by NASA's Cassini spacecraft in 2005.

«Usually when you think of two objects colliding, one of them leaves a big hole,» says Erik Asphaug, a planetary scientist at the University of California, Santa Cruz, who co-authored the new study with Martin Jutzi of the University of Bern in Switzerland.

«When a star ages and brightens, the habitable zone moves outward and you're basically giving a second wind to a planetary system,» exoplanet scientist Ramses M. Ramirez, a researcher at Cornell's Carl Sagan Institute, said in a statement.

«The red arcs really popped out when we saw the new images,» Paul Schenk of the Lunar and Planetary Institute in Houston, and a participating scientist in the Cassini mission, said in a statement.

Dad may not be able to go to Mars himself this year, but his name can be put on the first ever public naming effort for Mars, and he'll know that it'll be going to Mars when Mars One launches its first lander mission in 2018,» said Alan Stern, Ph.D., planetary scientist, and founder and CEO of Uwingu; Stern formerly directed all science programs and missions at NASA.

When New Horizons sent back pictures of Pluto earlier in 2016, it was the first time scientists got a close - up look at the dwarf planet, once considered the ninth planet in our planetary system.

Actually, it is astonishing to me that Victor cites the planetary boundaries research in his defense, when the central conclusion of that work from a self - described «group of 28 internationally renowned scientists» is that we are already past the planetary boundary for climate!