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7 Cards in this Set
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Cosmology |
the science of the origin and development of the universe. Modern cosmology is dominated by the Big Bang theory, which brings together observational astronomy and particle physics. |
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singularity |
noun: singularity1. the state, fact, quality, or condition of being singular. a point at which a function takes an infinite value, especially in space–time when matter is infinitely dense, such as at the centre of a black hole. |
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positrons |
a subatomic particle with the same mass as an electron and a numerically equal but positive charge. |
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nuclear reactions |
A process, such as fission, fusion, or radioactive decay, in which the structure of an atomic nucleus is altered through release of energy or mass or by being broken apart. See more at fission, fusion. |
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big bang theory |
The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution also a popular tv show |
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steady state theory |
In cosmology, the Steady State theory is a generally discredited expanding universe model alternative to the Big Bang theory of the universe and its origin. |
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absolute zero |
the lowest temperature that is theoretically possible, at which the motion of particles which constitutes heat would be minimal. It is zero on the Kelvin scale, equivalent to −273.15°C. |
