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Torino scale
The Torino scale was introduced by Richard Binzel, who has ...
Total eclipse
A total eclipse occurs when the Moon masks the Sun ...
Transit
A transit is the passage of one of the inner planets across ...
Triton
Triton (Neptune I) is Neptune's first satellite, by far the ...
Tropical period
The tropical period is the time between two passages of an ...
Tropical year
A tropical year is the time interval between two passages of ...
Tropopause
The tropopause is a thin layer in the Earth's atmosphere ...
True anomaly
In Keplerian elliptical motion a true anomaly is the angle ...
True celestial equator
The true celestial equator is a great circle on the ...
True coordinates
True coordinates are coordinates relative to the equinox at ...
Twilight
Twilight is the light before sunrise or after sunset. There ...
Type III star population
Type III population stars were the first very massive ...
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