四.语法填空。 (15分)Deep in the asteroid belt (小行星带) between Mars and Jupiter, there is _ 3
Meteorites are very rare in outer space resources, most of them come from the asteroid belt between Mars and Jupiter, a few from the moon and Mars, every pieces of meteorites carrying a large amount of information, the universe is this human research the universe, solar system and formation ...
iron, or a mixture of rock and iron that has been flung to the surface of the earth or other planets by cosmic meteors or fragments that have broken away from their original orbits outside the Earth. Most of the meteorites came from the asteroid belt between Mars and Jupiter, with a sma...
Millions ofspace rocksorbit the sun. They'rethe rocky rubble left over from the formation of the solar systemabout 4.6 billion years ago. Most of that ancient detritus is too far away to pose a threat to this planet. The majority are in the main asteroid belt between Mars and Jupiter, ...
Largest asteroid: Vesta, which is 330 miles (530 km) across. It is located in the asteroid belt between Mars and Jupiter. Largest dwarf planet: Pluto is the largest dwarf planet, with a diameter of 1,473 miles (2,370 km). It was once thought to be smaller than dwarf planet Eris, ...
A study of the main asteroid belt, which lies between Mars and Jupiter, reveals an excess depletion of asteroids that was triggered by the migration of giant planets in the early history of the Solar System.rnWhen astronomers study the asteroids confined to the main asteroid belt, they find ...
Meteorites originate in space, often in the asteroid belt between Mars and Jupiter. A small percentage of these bits of outer space survive the trip to Earth's surface, but those that do can make for some tantalizing tales or even hint at future calamity. Here are five stories behind pieces...
The majority are in the main asteroid belt between Mars and Jupiter, but occasionally rocks get nudged into the inner solar system, relatively closer to Earth. There are no known asteroids on an impact course with Earth. Scientists are, however, keeping a close watch on 30,000 large objects...
In a way, though, it might have come indirectly from Mercury, since the inner planet may have projected aubrites to the asteroid belt between Mars and Jupiter long ago. One of these might have just made its way to Earth, and that could account for the wide orbi...
Ceres is the closest dwarf planet to Earth and the largest object in the main asteroid belt between Mars and Jupiter. Since its discovery in 1801, Ceres has had multiple identities. First, it was thought to be a planet. Then, when it became apparent that it was too small, it was re...