Sentences with phrase «of crater floor»

A crater - producing impact often creates a peak in the center of the crater floor.

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.

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.

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.

Huge landslides, which seem to have occurred after the boulders were deposited, have blanketed much of the crater floors.

Not exact matches

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.

The impact excavated a 20 - metre - wide crater in the floor of Cabeus, kicking up plumes of lunar material.

The rover is making its way to the base of Mount Sharp, where it will investigate lower layers of a mountain that rises three miles from the floor of the crater.

This cracking may have resulted from the cooling of impact melt, or when the crater floor was uplifted after the crater formed.

The dome area is situated on the Arctic Ocean floor just north of the craters.

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.

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.

More commonly, in the second category, bright material is found on the rims of craters, streaking down toward the floors.

In addition, several Cerean craters have patterns of visible fractures on their floors.

Last year, her research team delivered the coup de grâce: evidence of an impact crater off the northwest coast of Australia, hidden beneath two miles of sediment on the ocean floor.

Spanning northern latitudes of 43 ° to 56 ° (Phoenix landed at 68 ° N), five new craters were a few meters in diameter, a few decimeters deep, and floored with a bright, white material that looked like clean ice.

Parachutes will slow its descent through the atmosphere; air bags will cushion its fall onto the rock - strewn floor of a vast impact crater called Isidis Planitia.

The largest concentration appears to drape discontinuously across the southwest floor and rim of Ernutet and onto an older, highly degraded crater.

Measuring geological time: Two pyroclastic vents on the floor of Mercury's Kipling crater, top, would likely not have survived the impact; they are more recent.

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.

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.

These deposits can be seen on the crater floors now, said study team member David Marchant of Boston University.

Of particular interest is a bright pit on the floor of crater Occator that exhibits probable sublimation of water ice, producing haze clouds inside the crater that appear and disappear with a diurnal rhythOf particular interest is a bright pit on the floor of crater Occator that exhibits probable sublimation of water ice, producing haze clouds inside the crater that appear and disappear with a diurnal rhythof crater Occator that exhibits probable sublimation of water ice, producing haze clouds inside the crater that appear and disappear with a diurnal rhythof water ice, producing haze clouds inside the crater that appear and disappear with a diurnal rhythm.

The planet's axis doesn't have much tilt, so its poles get little direct sunlight, and the floors of some craters get no direct sunlight at all.

The floors of some deep craters near the poles are never exposed to direct sunlight, and temperatures there remain far lower than the global average.

The large impact that formed the crater likely involved a lot of heat, explaining the relatively smooth crater floor punctuated by smaller craters.

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.

For the lunar imagers out there, a real challenge is to see how many of Plato's cratelets you can capture on the floor of the crater, as many of them are smaller than 2 km across.

All the bright (radar - reflective) features are believed to be deposits of frozen volatile substances, likely water ice, at least several metres thick in the permanently shaded floors of craters.

Plato is my next favourite crater because of it's super smooth floor that makes it standout so much from the surrounding terrain.

Scientists now believe that ice collects on the floors of deep craters at Mercury's poles, where it can remain permanently shaded from the Sun and reach temperatures as low as -235 degrees Fahrenheit (125 degrees Kelvin).

Study authors write that some views of Occator appear to show a diffuse haze near the surface that fills the floor of the crater.

In contrast, the smaller dark spots (which can appear as gray, brown, or red) may be the remains of low - speed, carbon - rich asteroids that splattered such» deposits» onto Vesta's surface, or they may be the result of higher - speed asteroid that melted and darkened volcanic basaltic crust on crater walls and floors, or on surrounding hills and ridges (NASA DAWN news release).

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.

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.

Positioned in the mountains, on the floor of the largest inhabited volcano crater in the world, this quiet village is the place to come for fresh air, stunning views, hiking, swimming and relaxing.

Includes two full - day island visits to North Seymour, a small flat island surrounded by low cliffs, South Plaza, an uplifted slab of sea floor or Bartolomé, characterised by a high volcanic crater.

Days 9 & 10 Includes two full - day island visits to North Seymour, a small flat island surrounded by low cliffs, South Plaza, an uplifted slab of sea floor or Bartolomé, characterised by a high volcanic crater.

Day 6 Full - day island visit to either North Seymour, a small flat island surrounded by low cliffs, South Plaza, an uplifted slab of sea floor, Bartolomé, characterised by a high volcanic crater or Santa Fe, one of the oldest islands of the archipelago.

Located on the top floor of the resort, this luxury penthouse commands ocean views from the sandy Kahala Bay shoreline to the Koko Head crater.

On the other hand, the Ngorongoro Conservation Area yet another splendid destination with sights of the uncommon black rhino, the Big Five plus a varied of bird species all living on the floor of the stunning crater.

It makes no difference whether we are face - to - face with one of his large format images, in which he allows the pigments dissolved in epoxy resin to run slowly down the picture carriers in satiated, glistening vertical stripes; or whether we study those works in which small drilled craters disclose many apparently archeological layers of paint, or find ourselves in one of his site - specific, all - over paintings that cover the walls, floors and ceilings, their iridescent stripes of color subduing entire architectures and permanently altering the viewer's perception.

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.

Episodic and explosive escapes of gaseous methane from the sediment column have been documented by kilometer - scale «wipeout zones» in seismic images (Riedel et al., 2002), and pockmarks on the sea floor, called eruption craters (Hill et al., 2004).