Image: Firework nova. Using NASA’s Chandra X-ray Observatory, astronomers have studied one particular explosion that may provide clues to the dynamics of other, much larger stellar eruptions.
Robert Zimmerman, BehindtheBlack.com
; in re: China launches a lunar sampler. Long March 5 (Chang I
5) is critical to Chinese space aspirations. Unmanned, with an orbiter, and a lander to drill a hole with a core-sample drill, and then return the sample to Earth, perhaps in mid-December. The most challenging part is the orbiter. China has a relay satellite on the far side of the Moon, so probably will have no information blackouts.
A nova too bright but not a supernova. The uncertainty of science; brightness first observed in 1670. Now, find it’s five times farther away than was thought—don't yet know what it is.