'Discovered in 1858, Donati, one of these, developed a curved dust tail & 2 thin gas tails'
a comet
ACROSS THE UNIVERSE: Discovered in 1858, Donati, one of these, developed a curved dust tail & 2 thin gas tails
Discovered in 1858, Donati, one of these, developed a curved dust tail & 2 thin gas tails
Discovered in 1858, Donati, one of these, developed a curved dust tail & 2 thin gas tails
ACROSS THE UNIVERSE
a comet
ACROSS THE UNIVERSE