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【判断题】
恒星演化到晚期就演化为致密星，它们包括白矮星、中子星、类星体、黑洞。
A.
正确
B.
错误
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【单选题】Virtually everything astronomers known about objects outside the solar system is based on the detection of photons-quanta of electromagnetic radiation. Yet there is another form of radiation that perm...
A.
it can provide massive nucleons.
B.
it is like a huge detecting apparatus.
C.
it enables neutrinos to move more actively.
D.
it can keep away the interference of other particles.
【单选题】Passage One Gravity is a slippery beast. We don’t know how strong it is, how it works or how fast its effects move. But this year we made progress. October saw the most accurate measurem...
A.
Newton and Einstein had similar opinions on the speed of gravity
B.
the author of the passage is in favor of Einstein’s thought about the speed of gravity
C.
astronomers think that both Newton and Einstein were wrong on the speed of gravity
D.
Newton’s thought about the gravitational effect is out of date
【多选题】天文学之中有关简并星(白矮星和中子星)的两个重要极限是()
A.
Chandrasekhar极限
B.
Oppenheimer极限
C.
Roche极限
D.
Schwarzchild极限
【单选题】Virtually everything astronomers known about objects outside the solar system is based on the detection of photons-quanta of electromagnetic radiation. Yet there is another form of radiation that perm...
A.
At the Threshold of Neutrino Astronomy.
B.
Neutrinos and the History of the Universe.
C.
The Creation and the Study of Neutrinos.
D.
The DUMAND System and How It Works.
【单选题】Gravity is a slippery beast. We don’t know how strong it is, how it works or how fast its effects move. But this year we made progress. October saw the most accurate measurement yet of Newton’s gravit...
A.
two things far apart might vibrate in unison
B.
the ripples in space-time are only imagined
C.
there exist gravitational waves
D.
abrupt, violent cosmic s lead to gravitational waves
相关题目：
【单选题】Virtually everything astronomers known about objects outside the solar system is based on the detection of photons-quanta of electromagnetic radiation. Yet there is another form of radiation that perm...
A.
it can provide massive nucleons.
B.
it is like a huge detecting apparatus.
C.
it enables neutrinos to move more actively.
D.
it can keep away the interference of other particles.
【单选题】Passage One Gravity is a slippery beast. We don’t know how strong it is, how it works or how fast its effects move. But this year we made progress. October saw the most accurate measurem...
A.
Newton and Einstein had similar opinions on the speed of gravity
B.
the author of the passage is in favor of Einstein’s thought about the speed of gravity
C.
astronomers think that both Newton and Einstein were wrong on the speed of gravity
D.
Newton’s thought about the gravitational effect is out of date
【多选题】天文学之中有关简并星(白矮星和中子星)的两个重要极限是()
A.
Chandrasekhar极限
B.
Oppenheimer极限
C.
Roche极限
D.
Schwarzchild极限
【单选题】Virtually everything astronomers known about objects outside the solar system is based on the detection of photons-quanta of electromagnetic radiation. Yet there is another form of radiation that perm...
A.
At the Threshold of Neutrino Astronomy.
B.
Neutrinos and the History of the Universe.
C.
The Creation and the Study of Neutrinos.
D.
The DUMAND System and How It Works.
【单选题】Gravity is a slippery beast. We don’t know how strong it is, how it works or how fast its effects move. But this year we made progress. October saw the most accurate measurement yet of Newton’s gravit...
A.
two things far apart might vibrate in unison
B.
the ripples in space-time are only imagined
C.
there exist gravitational waves
D.
abrupt, violent cosmic s lead to gravitational waves
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