Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
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| Adonis |
Asteroid 2101, diameter 2 km, discovered by E. Delporte in 1936. It is a member of the Apollo asteroid group and came within 2 million kilometres of the Earth in 1937, but was then lost until recovered in 1977 following recomputation of its orbit.
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