| 释义 |
extragalactic
adjective
uk /ˌek.strə.ɡəˈlæk.tɪk/ us /ˌek.strə.ɡəˈlæk.tɪk/
relating to or coming from a place outside our galaxy(= one of the independent groups of stars in the universe):
Extragalactic astronomy is advancing incredibly quickly, but there is still so much we haven't seen.
Different sources of extragalactic radiation have been discovered.
It's difficult to know exactly when extragalactic exploration might be possible, but it's probably sooner than we think.
Hubble was the first astronomer to detect the existence of extragalactic stars.
The performers resembled extragalactic creatures.
SMART Vocabulary: related words and phrases
Astronomy
albedo
Andromeda
Aquarius
Aries
asteroid
galaxy
Gemini
geostationary
geosynchronous
gibbous
observatory
orbit
orbital
Orion
penumbra
substellar
sunspot
supergiant
supermassive
supermoon
Compare
galactic
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