Not exact matches
Most of the plains, which are visible across the whole moon, seem to originate from debris spewed from the Orientale basin, a 930 -
kilometer -
wide bowl in the moon's southern hemisphere that formed
about 3.8 billion years ago.
This view shows Alga Crater's central peak, which is
about 3 miles (5
kilometers)
wide within the 12 - mile (19 -
kilometer) diameter of this southern - hemisphere crater.
The fact that the 16,000 -
kilometer -
wide spot is warmer at the bottom than at the top could help explain the storm's screaming wind speeds of
about 120 meters per second.
The hexagon, known since the 1980s, is
about 30,000
kilometers wide with a massive hurricane centered on the north pole (SN: 1/11/14, p. 10).
The new, high - resolution map of the mantle — the hot rock below Earth's crust but above the planet's iron core — not only shows these connections for many hotspots on the planet, but reveals that below
about 1,000
kilometers the plumes are between 600 and 1,000
kilometers across, up to five times
wider than geophysicists thought.
The Dark Zone of Greenland ice sheet is a large continuous region on the western flank of the ice sheet; it is some 400
kilometers wide stretching
about 100 kilometres up from the margin of the ice.
Over the course of 30 days or so, possibly less,
about 93,000 cubic
kilometers of water — almost 80 % of the volume of all free - flowing fresh water on Earth today — carved the 15 - km -
wide, 2.5 - km - deep Aram Valley.
But in 1992 a pair of astronomers turned up 1992 QB1, a body
about 200
kilometers wide circling the sun at a distance of
about 6.5 billion
kilometers, well beyond Neptune's orbit.
«For a period of several weeks,
wide areas of the Arctic were covered by polar stratospheric clouds between
about 14 and 26
kilometers height.
And by drilling into a circular ridge inside the 180 -
kilometer -
wide crater rim, scientists hope to settle ideas
about how such «peak rings,» hallmarks of the largest impact craters, take shape.
Measuring
about 250
kilometers long by 50
kilometers wide, Vostok ranks among the world's largest freshwater bodies.
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.
That pattern would indicate that the largest of the plates should be
about as
wide as the depth of the earth's mantle, or
about 3,000
kilometers.
One of these disturbances is an arc
about 20 percent brighter than its surroundings, 750 miles (1,200
kilometers) long and 6 miles (10
kilometers)
wide.
Almost immediately, scientists began speculating
about the bright spot in the middle of 90 -
kilometer -
wide Occator crater, which at 80 million years old is geologically fresh.
At 43 pixels
wide, the new images are more than 30 percent higher in resolution than those taken by NASA's Hubble Space Telescope in 2003 and 2004 at a distance of over 150 million miles (
about 241 million
kilometers).
Arecibo, a 305 - meter -
wide radio telescope located
about 95
kilometers west of San Juan, is the second largest radio telescope in the world.
The jets are theorized to be no more than
about 300
kilometers wide, and when they reach the surface, they produce hot spots.
In Antarctica's cold, where fish have natural antifreeze in their blood, McClintock accompanied other researchers as they angled for giant Antarctic toothfish by dropping a 450 - meter - long line through a meter -
wide hole drilled in the sea ice
about five
kilometers offshore.
The researchers were looking at rocks from the Ries crater (inset) of southern Germany, a 24 -
kilometer -
wide depression formed
about 14.6 million years ago by a meteorite crashing into Earth with the force of 1.8 million Hiroshima bombs.
Vesta also grew large enough to survive a massive battering
about a billion years ago that formed the 500 -
kilometer -
wide Rheasilvia impact crater and its 22 -
kilometer - high central mound (above).
New Horizons, meanwhile, is on course for its next stop: 2014 MU69, a 50 -
kilometer -
wide hunk of ice
about 1.6 billion
kilometers past Pluto (SN Online: 11/5/15).
The largest, called Quaoar, is
about 1250
kilometers across — nearly half as
wide as Pluto (ScienceNOW, 7 October 2002).
It's the highest - resolution movie yet obtained of the giant hexagon, which is
about 20,000 miles (32,000
kilometers)
wide and has been swirling for at least 30 years, researchers said.
Phobos is
about 14 miles
wide (22
kilometers), making it the largest Martian satellite.
Recent discovery by Davy et al (2010) of
kilometer -
wide (ten 8 - 11
kilometer and
about 1,000 1 -
kilometer -
wide features) eruption craters on the Chatham Rise seafloor off New Zealand adds further ammunition to the Methane Gun hypothesis.
The asteroid that created this crater was
about 6 miles (10
kilometers)
wide and hit the Earth 65 million years ago.
Occator itself is 60 miles (90
kilometers) in diameter, and its central pit, covered by this bright material, measures
about 6 miles (10
kilometers)
wide and 0.3 miles (0.5
kilometers) deep.
The heart - shaped pit is
about 2.3
kilometers (1.4 miles) at its
widest.
Nelson and Grand's team gathered seismic data using EarthScope's USArray, which showed a «long, thin, sloping zone» that measured
about 72
kilometers long and 55
kilometers wide.
Chariklo's two rings are
about 7 and 3
kilometers wide.
The Zwinger Palace houses the famous Old Masters Gallery with the «Sistine Madonna «and Dresden,
about 30
kilometers north of the border with the Czech Republic, lies in a
wide basin in the upper Elbe valley that's long been popular as a place
About a
kilometer in height and nearly half as
wide, is Zaslavsky's tower which is
Recent discovery by Davy et al (2010) of
kilometer -
wide (ten 8 — 11
kilometer and
about 1,000 1 -
kilometer -
wide features) eruption craters on the Chatham Rise seafloor off New Zealand adds further ammunition to the Methane Gun hypothesis.
Sure, questions can be raised
about what happens in a tank several
kilometers high and with walls
wide enough that the light doesn't strike its sides on the way down, but deciding you won't be happy with any other evidence until someone builds this improbable experiment is simply balmy.
The circulation cells are large —
about 10,000
kilometers wide along the equator — and occur intraseasonally, roughly every 30 to 70 days.
Such a cloud would be
about 11 million - billion pounds (5 million - billion kilograms) in mass and
about 1,600 miles (2,600
kilometers)
wide.