@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/Rvr1stgehr https://t.co/t0y2KFv7mc

@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/Rvr1stgehr https://t.co/t0y2KFv7mc