'Sirius is pretty close--just 8.6 of these from Earth'
light years
LET'S GET SIRIUS: Sirius is pretty close--just 8.6 of these from Earth
Sirius is pretty close--just 8.6 of these from Earth
Sirius is pretty close--just 8.6 of these from Earth
LET'S GET SIRIUS
light years
LET'S GET SIRIUS