@CNN: A volunteer citizen scientist working with a NASA project has found the coldest, oldest-known white dwarf, and it’s surrounded by rings of dust and debris, according to a study published Tuesday https://t.co/smowyvYMJv https://t.co/IZ6dsz89LQ
A volunteer citizen scientist working with a NASA project has found the coldest, oldest-known white dwarf, and it's surrounded by rings of dust and debris, according to a study published Tuesday https://t.co/smowyvYMJv pic.twitter.com/IZ6dsz89LQ
— CNN (@CNN) February 20, 2019