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The asteroid belt is a torus-shaped region in the Solar System, ... The Psyche spacecraft is a NASA mission to the large M-type asteroid 16 Psyche. [115] See also
NASA estimates that between 1.1 and 1.9 million asteroids in the asteroid belt are larger than 1 kilometer in diameter. Millions are smaller. Approximately 8% of known main belt asteroids are similar in composition to 16 Psyche.
The asteroid and comet belts orbit the Sun from the inner rocky planets into outer parts of the Solar System, interstellar space. [16] [17] [18] An astronomical unit, or AU, is the distance from Earth to the Sun, which is approximately 150 billion meters (93 million miles). [19]
A NASA probe launched into space Friday on a 2.2-billion-mile journey to a huge, metal-rich space rock in the main asteroid belt between Mars and Jupiter.
Fomalhaut asteroid belt is far more complex than researchers had realised Nasa’s James Webb telescope looks at asteroid belt outside our solar system – and finds surprise Skip to main content
The largest object in the asteroid belt, the dwarf planet Ceres, is an icy body that measures 592 miles across. About 25% of its mass, NASA estimates , is made up of water.
On July 15, 1972, Pioneer 10 was the first spacecraft to enter the asteroid belt, [4] located between the orbits of Mars and Jupiter. The project planners expected a safe passage through the belt, and the closest the trajectory would take the spacecraft to any of the known asteroids was 8.8 million kilometers (5.5 million miles).
On 1 November 2023, Lucy successfully flew by its first target, the main-belt asteroid 152830 Dinkinesh, at a relative speed of 4.5 km/s (2.8 mi/s). [59] On the following day, NASA released images from the flyby and announced the discovery of a small satellite orbiting Dinkinesh. [60]