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The Schwarzschild radius of one of these is the distance from its center to its event horizon |
a black hole
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$800 |
DJ |
SPACE |
2026-02-24 |
#9507 |
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A type of this astronomical object is named for Karl Schwarzschild; his name should give you a hint |
a black hole
DD
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$2,000 |
DJ |
ASTRONOMERS |
2013-06-19 |
#6633 |
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John Archibald Wheeler popularized this term for an object so dense that not even light can escape |
a black hole
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$1,000 |
J |
ASTRONOMY |
2012-03-02 |
#6325 |
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In 1996 astronomers found a massive one of these at the center of the Milky Way galaxy |
a black hole
|
$500 |
J |
ASTRONOMY |
2001-05-18 |
#3860 |
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Predicted as early as 1784, this body is so dense that light can't escape its gravitational pull |
a black hole
|
$400 |
DJ |
ASTRONOMY |
1997-11-11 |
#3037 |
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In 1796 Pierre Simon de Laplace suggested the existence of these objects from which light can't escape |
a black hole
|
$100 |
J |
ASTRONOMY |
1996-06-04 |
#2722 |
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The constellation Cygnus is believed to contain one of these invisible collapsed stars |
a black hole
|
$300 |
J |
ASTRONOMY |
1995-07-18 |
#2522 |
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The event horizon is the boundary of one of these massive, dark objects |
a black hole
|
$400 |
DJ |
ASTRONOMY |
1993-05-26 |
#2023 |
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To detect one of these "dark" objects, you must observe its gravitational effects on other objects |
a black hole
|
$800 |
DJ |
ASTRONOMY |
1992-10-14 |
#1863 |
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Shrunken star into which light & a Disney film disappear |
a black hole
|
$300 |
J |
SPACE |
1984-09-17 |
#6 |