Recent content by geoffrey.landis

There were 10 cubesats on the mission, but the article only updates the status of five of them. Any updates on the rest?

A desirable feature of nuclear reactors is that they are not radioactive until you start the chain reaction by turning them on. A launch accident wouldn't spread radioactive debris, because the reactor would be launched cold.

Interesting list of SF movies, but the article was titled "Space Movies to Watch." By my count, only three out of the fifteen movies discussed were about space (Dune, Stowaway, and Voyagers). In contrast, seven were about superheroes.

"These observations showed no signs of "Rayleigh scattering," a phenomenon in which small, high-altitude dust particles cause wavelengths of starlight to disperse differentially." Ouch. No, Rayleigh scattering in the Earth's atmosphere is not due to dust. It is scattering by the molecules of...

Could you please correct this statement: "This would have been the most massive black hole ever discovered (by far)". Not true, not even close to true. The M87 black hole imaged by the Event Horizon Telescope last year, for example, is 6.5 billion times the mass of the sun. You mean, "more...