Graphing variables is a critical skill in science. If something depends on something else – like the speed of sounds depends on air density, or the surface gravity of an object depends on its size – ...
Ejnar Hertzsprung (b. 1873) initially trained as a chemical engineer before commencing his significant astronomical work in 1901. He independently identified the distinct dwarf and giant stellar ...
IT has been suggested several times 1 that the flare activity observed in flash and U V Ceti stars is of a nature similar to that of solar flares. In this communication I shall adhere to this point of ...
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