grand design spiral galaxy
(spiral galaxy with two just two arms that are well-defined)
A grand design spiral galaxy is a spiral galaxy
with a particular spiral structure:
dominated by two well-defined spiral arms that form a very
symmetric spiral.
Examples:
(galaxy type,spiral)
Further reading:
https://en.wikipedia.org/wiki/Grand_design_spiral_galaxy
https://astronomy.swin.edu.au/cosmos/g/grand+design+spiral
Referenced by pages:
LINER
Messier 100 (M100)
Messier 74 (M74)
Pinwheel Galaxy (M101)
spiral arm
Whirlpool Galaxy (M51a)
Index