The Whirlpool Galaxy (M51) and Companion Galaxy
8" x 10"
$13.42
Sale price
$13.42
Regular price
$16.99
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The Whirlpool Galaxy (M51) and Companion Galaxy
$13.42
Sale price
$13.42
Regular price
$16.99
The large Whirlpool Galaxy (left) is known for its sharply defined spiral arms. Their prominence could be the result of the Whirlpool's gravitational tug-of-war with its smaller companion galaxy (right). Image from NASA.