And finally, Friday is for the Holland-Fishman Space Telescope, closing our launch week in x-rays: the light of exploded stars and superheated gas! A few of its best, from our Horizons program.
And finally, Friday is for the Holland-Fishman Space Telescope, closing our launch week in x-rays: the light of exploded stars and superheated gas! A few of its best, from our Horizons program.