Whirlpool Galaxy (M51)
- Whirlpool Galaxy (M51)(NGC 5194) -
A separate galaxy with a classic spiral shape. The Whirlpool Galaxy is seen face-on
from our vantage point here on Earth. It is the 51st item in Messier's list, and
contains about 100 x 109 stars (100 billion stars). It is about 55 thousand light-years across,
and about 37 x 106 (37 million) light-years away from Earth.