凯发k8官网-凯发k8天生赢家一触即发官网 > tag标签 > universe
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10-12-02 astronomers have discovered that small, dim(暗淡的,昏暗的) stars known as red dwarfs are much more prolific(多产的,丰富的) than previously thoughtso much so that the total number of stars in the universe is likely three times bigger than reali...
10-09-11 god did not create the universe and the big bang was an inevitable consequence of the laws of physics, the eminent british theoretical physicist stephen hawking argues in a new book. 英国著名理论物理学家史蒂芬霍金在新书中称,上帝并没有创造宇宙,宇宙...
10-08-26 astronomers believe they have discovered the origin of our universe's first super-massive black holes, which formed some 13 billion years ago. the discovery fills in a missing chapter of our universe's early history, and could help write the next ch...
10-08-20 normal matter like that found in stars, planets and dust clouds only makes up a tiny fraction(分数,部分) of the massenergy content of the universe. it is dwarfed(变矮小) by the amount of dark matter which is invisible, but can be detected by it...
10-04-07 could our universe be located within the interior of a wormhole(蛀洞,虫孔) which itself is part of a black hole that lies within a much larger universe? such a scenario in which the universe is born from inside a wormhole (also called an einstein...
10-03-28 university of british columbia astronomer ludovic van waerbeke with an international team has confirmed that the expansion of the universe is accelerating after looking at data from the largest-ever survey conducted by the hubble space telescope. th...
09-12-09 in 2004, hubble created the hubble ultra deep field哈勃超深场 (hudf), the deepest visible-light image of the universe, and now, with its brand-new camera, hubble is seeing even farther. this image was taken in the same region as the visible hudf, bu...
09-10-30 understanding dark energy(暗力量) is the number one issue in explaining the universe, according to salman habib, of the laboratory's nuclear and particle physics, astrophysics and cosmology group. because the universe is expanding and at the same...
09-10-30 astronomers(天文学家) using the national science foundation's very large array (vla) radio telescope have gained tantalizing(诱人的) insights into the nature of the most distant object ever observed in the universe -- a gigantic stellar(星球的...
09-10-29 racing across the universe for the last 7.3 billion years, two gamma-ray photons(光子,光量子) arrived at nasa's orbiting fermi gamma-ray space telescope within nine-tenths of a second of one another. the dead-heat finish may stoke the fires of de...