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Galaxy
01
星系
a large number of star systems bound together by gravitational force
02
星系
a splendid assemblage (especially of famous people)
03
星系
tufted evergreen perennial herb having spikes of tiny white flowers and glossy green round to heart-shaped leaves that become coppery to maroon or purplish in fall
例子
Galactic rotation curves describe the rotational velocities of stars and gas within galaxies.
The Milky Way galaxy has a diameter of tens of thousands of parsecs.
Galaxies billions of parsecs away are visible with powerful telescopes.
The macrocosm holds wonders beyond imagination, from distant galaxies to enigmatic black holes.
Some astronomers study intergalactic space, the vast regions between galaxies.
