A black hole is a spot in space that has 1 (power) gravity. Its gravity is so strong that it pulls everything nearby into it, stars, planets and other things. Black holes form when a star dies. When that happens, a huge amount of matter crowds into a very small space, which 2 (...
47. A black hole is best described as___.A) a small piece of matter whose gravity is a million times that of EarthB) a huge area in outer space containing loose dust particles and stray atomsC) a small area of dense matter located in spaceD...
A black hole is a place in outer space with very strong gravity. Gravity is a great force(力量)that shapes the universe. On Earth, gravity makes apples fall from trees. It keeps your feet planted on the ground. The gravity in a black hole is much stronger. It is so strong that nothi...
Stephen Hawking is known for his work on black holes. A black hole is a place where gravity is so strong that nothing can escape, not even ___. A. 光 B. 声音 C. 热量 D. 颜色 相关知识点: 试题来源: 解析 A。A black hole(黑洞)是一个重力非常强大的地方,连光都无法逃脱,B 选项“声...
小题3:推理题:根据第四段中“Earth’s galaxy is called the Milky Way”地球所在的星系叫银河系,常理可知星系是有很多星星组成的。故选C。小题4:推理题:根据第五段最后一句“The supermassive black hole at the center of the Milky Way galaxy has a mass equal to about four million suns and would ...
That is what a black hole is like. Its gravity is so powerful because it has so much matter.However, not all black holes are huge. Scientists believe that some black holes are the size of atoms. Although these black holes are tiny, they might have the same amount of matter that a ...
A black hole is a spot in space that has(1)___ (power) gravity. Its gravity is so strong that it pulls everything nearby into it, stars, planets and other things. Black holes form when a star dies. When that happens, a huge amount of matter crowds into a very small space, (2)...
14. A black hole is a spot in space that has(power) gravity. Its gravity is so strong that it pullseverything nearby into it, stars, planets and other things. 2【题目】4. A black hole is a spot in space that has(power) gravity. Its gravity is so strong that it pullseverything ...
【题目】阅读理解 A black hole is created when a large star burns out. Like our sun, stars are unbelievably hot furnaces(熔炉) that burn their own matter as fuel. When most of the fuel is used up, the star begins to die.The death of a star is not a quiet event. First there is ...
结果1 题目 4. A black hole is a spot in space that has(power)gravity. Its gravity is so strong that it pulls everything nearby into it, stars, planets and other things. 相关知识点: 试题来源: 解析 4. powerful 反馈 收藏