Astronomers find white dwarf stars to be useful in determining the age groups of neighboring stars as the former's predictable lifecycle allows them to be used as cosmic clocks.
Aside from this, the fact that NASA's OSIRIS-REx is orbiting around Bennu at only just over a mile (1.6 kilometers) makes its close orbital distance record-breaking.
The International Astronomical Union's Minor Planet Center has given it a code as 2018 VG18, nicknamed it "Farout." It is located at about 120 astronomical units.
Astronomers said that the star and disc they have observed is so massive that, rather than witnessing a planet forming in the disc, they saw another star being born.