Longman Dictionary of Contemporary English homepage

Topic: ASTRONOMY

Date: 1900-2000
Origin: quasi-stellar

quasar

noun
     
qua‧sar [countable]
technicalHA an object in space that is similar to a star and that shines very brightly
WORD FOCUS: space WORD FOCUS: space
vehicles used in space: spaceship, spacecraft, rocket, (space) shuttle, probe, satellite, space station

someone who travels in space: astronaut, cosmonaut Russian

parts of a rocket's journey: countdown, launch, blast-off/take-off/lift-off, leaving the earth's atmosphere, going into orbit, re-entering the earth's atmosphere, splashdown/touchdown

places and things in space: planet, moon, star, sun, satellite, solar system, constellation, galaxy, universe, the cosmos, black hole, quasar, comet, meteor, asteroid

the study of space: astronomy
space

See also
space
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