Blue sun may refer to:
- A star with a suitable spectral type, O
- Blue Sun Corporation: a fictional corporation in the Firefly television series.
Famous quotes containing the words blue and/or sun:
“Buz, quoth the blue fly,
Hum, quoth the bee,
Buz and hum they cry,
And so do we:
In his ear, in his nose, thus, do you see?
He ate the dormouse, else it was he.”
—Ben Jonson (1572–1637)
“The sun shines bright in the old Kentucky home;
‘Tis summer, the darkeys are gay;
The corn-top’s ripe, and the meadow’s in the bloom,”
—Stephen Collins Foster (1826–1884)