NGC 891
NGC 891, is a spiral galaxy about 30 million light years away from Earth. Its diameter is estimated at 100,000 ly. We can observe it in the constellation of Andromeda...
Astronomy
The Horsehead Nebula
The Horsehead Nebula (also labelled Barnard 33), is a dense cloud of dust and ionized hydrogen of 3.5 light years diameter and it's about 1500 light years away. Nebula is…