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Web Extra: Through the eyes of the magnificent seven

An armada of spacecraft continues to explore the Red Planet, revealing deep-held secrets and raising new mysteries.
RELATED TOPICS: SOLAR SYSTEM | MARS
Tyrrhenus Mons

The Indian Space Research Organization’s Mars Orbiter Mission took this image of Tyrrhenus Mons in February 2015. The fractures seen here indicate stresses from the volcanic forces that created the mountain.

ISRO
On June 23, NASA’s Mars Odyssey completed its 60,000th orbit of the Red Planet since arriving in 2001. This noteworthy milestone serves to highlight the remarkable longevity and productivity of the seven spacecraft currently examining Earth’s neighbor. Two rovers — Opportunity and Curiosity — continue to examine the surface up close from positions on nearly opposite sides of the planet. Meanwhile, Odyssey joins with two NASA probes — Mars Atmosphere and Volatile Evolution and Mars Reconnaissance Orbiter — as well as the European Space Agency’s Mars Express and India’s Mars Orbiter Mission to explore the world from above.

Here we present some of the best spacecraft images that show the incredible beauty and diversity of the martian surface.
NASA/JPL-Caltech/Cornell University/Arizona State University
Opportunity snapped this image of a dark-floored crater, called “The Spirit of St. Louis,” with a rock spire near its far rim in March 2015. The elongated crater measures about 110 feet (34 meters) long and 80 feet (24m) wide, while the spire rises some 7 to 10 feet (2 to 3m) high. The Spirit of St. Louis lies of the outer portion of the western rim of Endeavour Crater, which spans 14 miles (22 kilometers).
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Dark matter accounts for approximately 80% of the mass of the universe, but what exactly is it?
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