Embedded Files
M 87
M 87
NGC 3753 et al. Copeland Septet
NGC 3753 et al. Copeland Septet
NGC 3748
NGC 3754
NGC 3750
NGC 3751
NGC 3745
NGC 3753
NGC 3746
3C 273
3C 273
3C 273
First known quasar
m = +12.9
z = 0.158
Distance: 2.443 billion light years
Moon
Moon
Plato
Alpine Valley
Copernicus
Messier, Messier A
Aristarchus
Herodotus
Proclus
Tycho
Schiller
Gassendi
Mare Humorum
Page updated
Google Sites
Report abuse