The Time AlmanacInformation Please LLC, 2003 |
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Σελίδα 399
... star or group of stars . Crushed even smaller than the incredibly dense neutron star , the black hole may become so dense that not even light can escape its gravitational field . In 1996 , astronomers found strong evidence for a massive ...
... star or group of stars . Crushed even smaller than the incredibly dense neutron star , the black hole may become so dense that not even light can escape its gravitational field . In 1996 , astronomers found strong evidence for a massive ...
Σελίδα 400
... Star : a celestial object consisting of intensely hot gases held together by gravity . Stars derive their energy ... star . A dwarf star is a small star that is of relatively low mass and average or below average luminosity . The Sun is ...
... Star : a celestial object consisting of intensely hot gases held together by gravity . Stars derive their energy ... star . A dwarf star is a small star that is of relatively low mass and average or below average luminosity . The Sun is ...
Σελίδα 401
... star cannot generate sufficient pressure at its center to balance the crush- ing force of gravity . The star collapses under the force of its own weight ; if it is a small star , it col- lapses gently and remains collapsed . Such a col ...
... star cannot generate sufficient pressure at its center to balance the crush- ing force of gravity . The star collapses under the force of its own weight ; if it is a small star , it col- lapses gently and remains collapsed . Such a col ...
Περιεχόμενα
AND CULTURE | 14 |
2004 | 33 |
U S STATES | 198 |
Πνευματικά δικαιώματα | |
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