- Dwarf star (Wikipedia)
A dwarf star is a star of relatively small size and low luminosity. Most main sequence stars are dwarf stars. The meaning of the word “dwarf” was later extended to some star-sized objects that are not stars, and compact stellar remnants that are no longer stars.
- Dig Dug (Wikipedia)
Dig Dug is a maze arcade video game released by Namco in 1982. It was distributed in North America by Atari, Inc. The player digs underground tunnels to attack enemies in each level, by either inflating them to bursting or crushing them underneath rocks.