Application of a new statistic to x-ray images of a supernova remnant suggests that clumps were formed during the explosion Sato, T., Hughes, J. P., Williams, B. J. & Morii, M. Genus statistic applied ...
Danish nobleman Tycho Brahe was taking an evening stroll on 11 November 1572 when he spotted a new star that outshone all other stars. The star gradually faded, becoming too faint to see with the ...