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.
There are 2759 entries in this glossary.| Term | Definition |
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| Taenite |
A form of iron-nickel alloy found in iron meteorites. It contains up to 7.5 per cent of nickel by weight.
See also: Widmanstätten figures, octahedrite.
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