In Pictures: Derby Day devotees, Kenyan style
Photos of the Day: Photos of the day 05/16
In Pictures: Dazzle like Beckham
In Pictures: Weather extremes 2013
Photos of the Day: Photos of the day 05/15
In Pictures: Duchess Kate's royal baby bump
Photos of the Day: Photos of the day 05/14
In Pictures: Keffiyeh is rebel chic
This image of Vesta released by NASA was captured by the Dawn spacecraft on July 9, 2011, and was taken from a distance of about 62,000 miles (100,000 kilometers) away from the protoplanet. Each pixel in the image corresponds to roughly 5.8 miles. NASA/AP
This undated image taken by the Dawn spacecraft and provided by NASA on Dec. 27, 2011, shows a close-up view of a huge crater in the southern hemisphere of the Vesta asteroid. A recent analysis of images taken by Dawn reveals there are two overlapping craters in Vesta's south pole created by separate impact events. NASA/AP
This set of color images of asteroid 243 Ida was taken by the imaging system on the Galileo spacecraft as it approached and raced past the asteroid on August 28, 1993. These images were taken through the 4100-angstrom (violet), 7560-angstrom (infrared) and 9680- angstrom (infrared) filters and have been processed to show Ida in exaggerated color to bring out subtle color contrasts caused by small variations in composition and surface microtexture of the asteroid's soil.
This artist's concept depicts a distant hypothetical solar system, similar to the one recently discovered with the Spitzer Space Telescope. In this artist's rendering, a narrow asteroid belt filled with rocks and dusty debris, orbits a star similar to our own Sun when it was approximately 30 million years old (about the time Earth formed).
The impact of an asteroid or comet several hundred million years ago left scars in the landscape that are still visible in this spaceborne radar image of an area in the Sahara Desert of northern Chad. The concentric ring structure is the Aorounga impact crater, with a diameter of about 10.5 miles. The original crater was buried by sediments, which were then partially eroded to reveal the current ring-like appearance.
These views of the asteroid Eros were generated by data from the laser rangefinder. This false color image shows the 'gravity slope' at various regions on the object. The gravity slope is the angle between the local gravitation field (computed assuming a constant density for the asteroid) and the normal to the surface. Blue is low slope, red is high slope.
This painting shows an asteroid mining mission to an Earth-approaching asteroid. Asteroids contain many of the major elements which provide the basis for industry and life on Earth. A NASA-sponsored study on space manufacturing held at Ames Research Center (ARC) in the summer of 1977 provided much of the technical basis for the painting.
This artist's animation illustrates a massive asteroid belt in orbit around a star the same age and size as our Sun. Evidence for this possible belt was discovered by NASA's Spitzer Space Telescope when it spotted warm dust around the star, presumably from asteroids smashing together.
This is the first full picture showing both asteroid 243 Ida and its newly discovered moon to be transmitted to Earth from the NASA's Galileo spacecraft -- the first conclusive evidence that natural satellites of asteroids exist. Ida, the large object, is about 35 miles long. Ida's natural satellite is the small object to the right.
While analyzing NASA Hubble Space Telescope images of the Sagittarius dwarf irregular galaxy (SagDIG), an international team of astronomers led by Simone Marchi, Yazan Momany, and Luigi Bedin were surprised to see the trail of a faint asteroid that had drifted across the field of view during the exposures. The trail is seen as a series of 13 reddish arcs on the right in this August 2003 Advanced Camera for Surveys image.
Pioneer 10 crosses the asteriod belt in this artist's concept. If spacecraft are to visit the outer Solar System, they must cross the asteroid belt between Mars and Jupiter. The Pioneer mission was faced with the question of just how dangerous this asteroid belt would be to a spacecraft passing through it.
An artist's rendering of the the Near Earth Asteroid Rendezvous (NEAR) spacecraft's rendezvous with the asteroid Eros is seen here. Upon arrival, the spacecraft would orbit the mountain-sized body for nearly 13 months, sending back the first comprehensive dataset about an asteroid. This image produced for NASA by Pat Rawlings. Technical concepts for NASA's Exploration Office, Johnson Space Center (JSC).
In Pictures: Derby Day devotees, Kenyan style
Photos of the Day: Photos of the day 05/16
In Pictures: Dazzle like Beckham
In Pictures: Weather extremes 2013
Photos of the Day: Photos of the day 05/15
In Pictures: Duchess Kate's royal baby bump
Photos of the Day: Photos of the day 05/14
In Pictures: Keffiyeh is rebel chic
Relying on videos of the meteor as it streaked across the sky over the Ural mountains, a pair of Colombian astronomers say they have reconstructed the space rock's orbit.
A duo of Colombian scientists say they have reconstructed the orbit of the meteor that exploded earlier this month over Chelyabinsk, Russia.
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