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 – ...

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 ...

We have determined accurate MK types for 26 of the brightest stars in the field of NGC 6231. We found one emission-line star with a weak shell, one star with in strong (already known), four stars with ...

Discover the Hertzsprung-Russell diagram, a key tool graphing the brightness of stars against color in astronomy. That's really funny, and I wish I had thought of it. The vertical axis is fame, as ...