Roche Lobe
978-613-6-15174-8
613615174X
184
2011-06-01
54.00 €
eng
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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Roche lobe is the region of space around a star within which orbiting material is gravitationally bound to that star. If the star expands past its Roche lobe, then the material can escape the gravitational pull of the star. If the star is in a binary system then the material will fall in through the inner Lagrangian point. It is an approximately tear-drop shaped region bounded by a critical gravitational equipotential, with the apex of the tear-drop pointing towards the other star (and the apex is at the L1 Lagrangian point of the system). It is different from the Roche limit which is the distance at which an object held together only by gravity begins to break up due to tidal forces.
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Physique, Astronomie
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