American Heritage® Dictionary of the English Language, Fourth Edition
- adj. Located or originating beyond the Milky Way.
- adj. astronomy Originating outside of the Milky Way galaxy.
- adj. outside or beyond a galaxy
“I thought that the article implied that the 'extragalactic' GCs joined our galaxy through the Milky Way cannibalising other, smaller dwarf galaxies.”
“Some people reach for the stars, but my reach is extragalactic.”
“Or not; the general topic is a hot one in extragalactic astronomy, so there's a lot of research being done.”
“Globular Cluster M54 in Sagittarius, near the handle of the 'Tea Pot' asterism, has long been thought to be 'probably extragalactic' and originating from the Sagittarius dwarf galaxy.”
“The other question of course follows… If the X-Rays are actually "30-50x than is actually observed", then logically the difference between X-ray emissions in the two SNIa scenarios would be true for observed extragalactic supernova too.”
“These ordinary-looking seeds have actually been genetically modified to detect X-ray bursts from the sun or from some extragalactic sources located halfway across the Universe and emitted billions of years ago.”
“Now comes news of the potential discovery of dozens of extragalactic planetary systems.”
“Insanely obsessed fans like me will know that the extragalactic Invasion story arc was originally proposed by Dark Horse but somehow Del Rey ended up with a 21 book arc instead.”
“Arp points out in his paper that extragalactic dust clouds are known to exist, and he references M 81 as a prime example.”
“Chances are the entire local group is puffing out enough hydrogen to send up a smoke screen – possibly even with higher redshift extragalactic objects.”
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Out of this world via the "X-express".
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