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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| Manganese Star Mercury Star; Mercury-Ma |
A star of spectral type B with a peculiar spectrum in which the lines of manganese and a number of other exotic elements, notably mercury, gallium and yttrium, are exceptionally strong.
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