Recent content by AstronomerTim

Anonymous010 I agree and I came up with a relatively (pun) simple possible explanation but it requires an assumption. The assumption is that particles that collide head on are differentiated from particles that collide less forcefully because they are traveling in the same or similar directions...

Rod hey that's a good observation. I did it twice or three times with a pair of 7x30 binoculars out buy the garbage cans back in the 80's. You just never know until the object has moved with relation to background stars but the light had an icy non-twinkling nature to it. At that time Vesta was...

Maybe the new Space Force can shoot it down.

Rod the wiki page on white dwarfs say that in our case once the sun goes white dwarf then all the planets out to Neptune will be evaporated. However with a life span of 3 billion years perhaps close by systems could introduce new material to the white dwarf system and planet formation could...

Nice to see the comments back so people can kick around some ideas. Stars, so fascinating there has to be thousands if not millions of unique sub-types. I read on Wikipedia that a white dwarf has a habitable zone that may last 3 billion years. It seems doubtful any life could survive all the...