February 26, 2020

Astro Video of the Week: White Dwarf, Brown Dwarf

+19th magnitude white dwarf WD 1202-024. (SDSS)

Wanna see a wacky planetary system? A recent discovery by MIT, Harvard/Smithsonian Center for Astrophysics and Bishop’s University researchers was announced at the 200th AAS meeting in Austin, Texas and made the news rounds last week, but I don’t think folks really got a good grasp on just how strange a binary system WD 1202-024 really is. [Read more...]

Astro-Challenge: Hunting for Van Maanenís Star.

A Earth-sized star. (Credit: NASA/RXTE).

Itís sobering to ponder the ultimate fate of our Sun. We orbit a middle-aged main sequence star, one that will continue to happily fuse hydrogen into helium for our energy consuming convenience for the next few billion years. We see the ultimate fate of our Sun, however, when we look out at planetary nebulae and burned out cinders known as white dwarfs. [Read more...]