Sentences with phrase «like impact craters»

Smaller surface features like impact craters aren't visible.

«The red arcs must be geologically young because they cut across older features like impact craters, but we don't know their age in years,» Paul Helfenstein, a Cassini imaging scientist at Cornell University, Ithaca, in New York, said in the statement.

Not exact matches

The researchers say this indicates an upper crust made of a mixture of rock and ice — in which small craters could be carved — supported by a more viscous mantle of ice lower down, which would allow the biggest impact basins to relax away with time, like silly putty returning to its original shape.

Falling raindrops make craters that are surprisingly like the catastrophic impacts of asteroids

The IODP team wants to test a leading model for peak ring formation, in which granite from Earth's depths rebounds after a major impact, like water struck by stone, to form a central tower, taller than the crater rim.

The features that look like craters have the wrong proportions to be impact craters.

Although no very ancient terrestrial impact structures are preserved, the Sudbury basin provides a unique opportunity to study the sediment that filled the basin as a guide to what the earlier impact craters would have looked like.

Studying the gravity anomalies created by an impact is a powerful way to find out more about a crater — particularly one that is now buried, like the Chicxulub crater.

This location was chosen because it is one of the most Mars - like locales on the face of the Earth: the island is completely uninhabited and unvegetated; it receives almost no precipitation, and is thus nearly as dry as Mars; temperature extremes approach those of Mars; the impact crater where the station is located is similar to many such craters on Mars.

John Spencer, like Stern a scientist at the Southwest Research Institute, called it «just astonishing» that the first close - up picture of Pluto didn't have a single impact crater.

According to the authors of the study, who used geological observations made using the THEMIS instrument on board the Mars Odyssey spacecraft, laboratory impact experiments and computer modeling of impact processes, large crater - forming impacts would have created tornado - like wind vortices that reached speeds of up to 500 miles per hour.

BH There's some abstract expressionism in the planetary works: I like to let the clay fly and make smushy impact craters, to push and pull the topography, to add layers of time.