RT @BadAstronomer: The Swift satellite is proud to announce the birth of its 1000th baby black hole. slate.com/blogs/bad_astr… https://t.co/sjCCIBISmk
RT @BadAstronomer: The Swift satellite is proud to announce the birth of its 1000th baby black hole. slate.com/blogs/bad_astr… https://t.co/sjCCIBISmk