Month in space: May 2011 5月空间组图与回顾

雪儿 · 发表于: 2011-6-3 11:34:11

Image Science & Analysis Laboratory, NASA Johnson Space Center

A total solar eclipse from space

Solar eclipse enthusiasts will travel to the ends of the Earth to watch the moon momentarily blot the sun from the sky. Astronauts aboard the International Space Station caught this view of the moon's shadow sweeping across Turkey, northern Cyprus, and the Mediterranean Sea during the total solar eclipse of March 29, 2006.

雪儿 · 发表于: 2011-6-3 11:34:49

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雪儿 · 发表于: 2011-6-3 11:35:23

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Weird trails on Mars

Troughs and weird trails criss-cross this view of Russell Crater's sand dunes on Mars. The faint trails have been left behind by "dust devils," mini-tornadoes that whip across the Martian landscape. The troughs are formed when chunks of frozen carbon dioxide slide down the face of steep dunes. This picture was taken by NASA's Mars Reconnaissance Orbiter and released on March 9.

雪儿 · 发表于: 2011-6-3 11:36:06

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NASA/GSFC/James Spann

Alaska's bright lights

A stream of electrically charged particles hit Earth's magnetic field on March 1, sparking a brilliant display of northern lights. NASA space physicist James Spann sent this picture from Poker Flat, Alaska, where he was attending a scientific conference to study auroras.

雪儿 · 发表于: 2011-6-3 11:36:52

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ESA/NASA

Viva la space station!

Italian astronaut Paolo Nespoli snapped this Jan. 17 picture of Cuba and the Caribbean, as seen from the International Space Station. A Russian transport craft that's docked to the station looms in the foreground.

雪儿 · 发表于: 2011-6-3 11:37:39

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Image Science & Analysis Laboratory, NASA Johnson Space Center

London all lit up

Cities are among the most popular astronaut images downloaded from NASA, Evans said. "People are fascinated that not just a satellite looks down at them, but that people orbiting the Earth are looking down at these urban regions," she said.

This Feb. 4, 2003, photograph of London gives a clear view of the city's urban density. The downtown core is the brightest and the density steady drops off until it reaches an encircling roadway called the Orbital. The fuzzy patches are thought to be clouds or areas of fog.

雪儿 · 发表于: 2011-6-3 11:38:28

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Image Science & Analysis Laboratory, NASA Johnson Space Center

Going green

Some crew members, according to Evans, are fascinated by aurora – the nighttime lights in the skies that occur when oxygen and nitrogen atoms are bombarded by charged solar particles. They "and spend a good deal of time learning how to take photographs of the aurora that are meaningful." Expedition Six crew member Donald Petit took several pictures of aurora in January and February of 2003, including this one of a green aurora over the night side of Earth just after sunset.

雪儿 · 发表于: 2011-6-3 11:39:17

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Image Science & Analysis Laboratory, NASA Johnson Space Center

A fiery landscape

As fire licked across the Simpson Desert in Australia, it left behind tell-tale scars of its passing. The orange streaks in this Nov. 23, 2002, image, NASA explains, were created as fire burned the desert scrub, exposing the underlying dune sand.

The pattern suggests the fire moved into the view from the lower left and followed the rippled ribbon of the dunes in the direction of the prevailing winds. Then, the wind shifted direction about 90 degrees and blew the flames across the dunes in tendril-like streaks. As the vegetation grows back, the scars will disappear.

雪儿 · 发表于: 2011-6-3 11:40:01

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Image Science & Analysis Laboratory, NASA Johnson Space Center

A brewing storm

From the very beginning of astronaut photography aboard the International Space Station, brewing storms were a subject of interest. Shown here is the first image downlinked from the station – a mass of storm clouds building over the Earth. The image was made with an Electrical Still Camera. Today, the space station is equipped with high-end Nikon digital cameras.

雪儿 · 发表于: 2011-6-3 11:40:54

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Stan Honda / AFP - Getty Images

Look! Up in the sky!

The International Space Station and the space shuttle Discovery streak across the sky above New York's Central Park on March 7, just after the two spacecraft separated. Discovery visited the station during its final spaceflight.

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