1.earth的基本意思是“地球”,指相对于其他天体来说,为人类生存提供条件的星体; 还可指“大地,地面,陆地”,指相对于天空而言的为人类和其他生物提供居住地的地球表面.earth还可指“泥土,土壤”.earth引申可指“全人类”; earth用于比喻还可指“大量的钱.2.earth作“地球”解时常以单数形式出现,前加定冠词,也...
Similarly the sun also has a name.The name of our sun is Sol(太阳神). Our planet 24 in the solar system. Each star's system has its name on the star, 25 Antareshad a system, its name might be the Antares System.()16. A. memberB. numberC. moonD.planet()17. A. sunB. ...
Wiki Info:A star is a luminous sphere of plasma held together by its own gravity. The nearest star to Earth is the Sun. Many other stars are visible to the naked eye from Earth during the night, appearing as a multitude of fixed luminous points in the sky due to their immense distance...
阅读理解The sun is the closest star to the earth. It is at least 4. 5 billion years old. It is a member of theMilky Way Galaxy. The sun is important because it gives the earth heat and daylight. It is 149 millionkilometers from the earth. On the sun's surface, we can see stron...
(每小题1分,共10分)The sun is the closest star to the earth. It is at least 4. 5 billion years old. It is a 16 of the Milky Way Galaxy(银河系). The sunis important because it gives the 17 heat and light. It is about 150 million kilometres 18 the earth. On the sun's ...
Earth. The black hole is invisible, but it makes its presence known by its gravitational pull, which forces the luminous inner star into an orbit. The objects in this inner pair have roughly the same mass and circular orbits.The observations, with the FEROS spectrograph on the 2.2-metre ...
The article reports on the Ursa Major Group. The group consist of five innermost stars of the Big Dipper and the dozen other members are scattered around the area. The Ursa Major Group is also considered one of the "closest star cluster to Earth." They ...
Frodo went tramping all over the Shire with them; but more often he wandered by himself, and to the amazement of sensible folk he was sometimes seen far from home walking in the hills and woods under the starlight. Merry and Pippin suspected that he visited the Elves at times, as Bilbo...
(216 million km)an hour. First, the rocket will take the Star Chips to space. Once in space, they will open their shining sails. Then, people on Earth will shoot out lasers at the sails. All those lasers shot at the sails will push the Star Chips so fast that they will reach the...
The sun is the closest star to theearth.The sun is now a middle-aged star, meaning it is at about the middle of its81.1.The sun formed(形成) over four and a half billion years82.a.You may think the sun will die soon, but it will keep 83.sfor at least another five billion ...