Sentences with phrase «crater floor»

He is, at this point, emotionally conditioned for moon living, having spent most of a lifetime guiding visitors on horseback around the 15 square miles of crater floor.
The bright areas of Occator Crater — Cerealia Facula in the center and Vinalia Faculae to the side — are examples of bright material found on crater floors on Ceres.
Because the poles are always at the edge of the sunlit side of Mercury, flat areas receive little solar energy and long shadows keep polar crater floors in perpetual darkness.
A theoretical study by David Paige of the University of California at Los Angeles found that shadowed crater floors could be as cold as 60 K -LRB--213 °C), well below the 112 K -LRB--161 °C) needed to retain water ice for billions of years.
Now, NASA's MESSENGER spacecraft, which has orbited Mercury since March, has confirmed that these radar - bright patches neatly coincide with deep crater floors near the poles that never receive any sunlight at all.
In January 2015, Opportunity took pictures from a «high point» on the rim of Endeavour, about 440 feet (134 feet) above the surrounding crater floor.
The large impact that formed the crater likely involved a lot of heat, explaining the relatively smooth crater floor punctuated by smaller craters.
There are some extraordinary lookouts and trails before you get to the main visitor center, which gazes down 3,000 feet at the barren crater floor.
The first group of bright spots contains the most reflective material on Ceres, which is found on crater floors.
A rush of moving magma on Hawaii's Kīlauea volcano has triggered hundreds of earthquakes in recent days and caused the crater floor at Puu Oo to collapse.
LRO image of the moon's Hayn Crater, located just northeast of Mare Humboldtianum, dramatically illuminated by the low Sun casting long shadows across the crater floor.
This cracking may have resulted from the cooling of impact melt, or when the crater floor was uplifted after the crater formed.
But the radar hotspots also line smaller craters and those at lower latitudes that would have less ice - friendly temperatures across the crater floor.
The steaming lava dome — engorging at the rate of a truckload per day — already has swollen nearly 300 meters above the crater floor in just 2 months.
The Moon's axis tilts more than Mercury's, but much less than the Earth's, so some crater floors never see sunlight.
They are typically located on the crater floor or along a section of the crater wall facing toward the pole.
Roughly 18 kilometers long, about 600 meters across and 30 meters deep, the canyon — called Peace Vallis — cut into the crater rim, sweeping sediments to the crater floor and forming a floodplain.
Gale crater is about 96 miles (154 kilometers) wide and has a mountain at its center that rises higher, from the crater floor up, than Mount Rainer near Seattle.
Billions of years ago, enough water flowed down from the rim of Gale crater to carry gravel to the middle of the crater floor — where the Curiosity rover found and imaged it 3 weeks ago, the NASA mission's team members reported in a press conference today.
Scientists have speculated that ice could persist for long periods of time without sublimating to vapor in places such as Cabeus, because the rim of the crater, coupled with the low angle of the sun, keeps part of the crater floor in perpetual darkness.
Huge landslides, which seem to have occurred after the boulders were deposited, have blanketed much of the crater floors.
Head and his team examined high - resolution images of the crater and its gullies taken by orbiting spacecraft and found evidence of features that suggested glaciers once covered the crater floor about 10 million to 20 million years ago.
As the ice started to sublimate (or vaporize), debris embedded within it began to pile up on the crater floor.
These deposits can be seen on the crater floors now, said study team member David Marchant of Boston University.
Within Gale, an impressive layered mountain rises about 5 kilometers (3 miles) above the crater floor.
This image high - resolution image of Juling Crater on Ceres, taken by NASA's Dawn spacecraft, reveals, in exquisite detail, features on the rims and crater floor.
These regions are typically located on a crater floor or along a section of the crater wall facing the pole.
When the angle of the Sun is low the crater really comes to life with amazing shadows from the wall being projected onto the crater floor.
The smoothness is because the crater floor was filled with lava shortly after impact.
The most conspicuous feature on Vesta is a giant impact crater located around its south polar region, which is 310 miles (499 kilometers) across and nearly 12 miles (19 km) deep around a «bull's - eye» central peak rising 11 miles (or 18 km) above the exposed mantle rock of the crater floor — that is characteristic of rock rebounding from an impact.
Descend 2,000 feet to the crater floor and spend a full day on safari surrounded by some 25,000 wild animals.
Descend to the crater floor for a game drive and a picnic lunch.
Leading theories include lava channels, collapsed lava tubes, near - surface dike intrusion, nuée ardente (pyroclastic cloud), subsidence of lava - covered basin and crater floors, and tectonic extension.
Join our Ngorongoro crater safari tours for the ultimate safari adventure, as the crater floor offers superb game viewing with wildebeest, zebras, buffaloes, gazelles, elephants, rhinos and Africa's big cats all present.
Ngorongoro Sopa Lodge itself is an architectural marvel, built on the rim of a collapsed volcano that boasts the most magnificent views over the crater floor.
The Kanawinka Geopark's spectacular and intriguing volcanic landscape also offers a range of other visitor experiences, from a 45 - minute tour to the surface of Mount Gambier's Blue Lake, to the 45 minute walk up Mount Schank and down to the crater floor.
I was able to walk the crater floor and witness the magnitude of the volcano up close.
Culminate your day with a visit to Hawaii Volcanoes National Park with a visit to the active Kilauea volcano where lava is brewing just below the crater floor.
Amid clouds of toxic sulfur dioxide gas, he carries heavy loads up a steep, rocky path from the crater floor to the rim, then to a distant weigh - station.
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