ultra-distant
adjective[before noun]
(alsoultradistant)uk/ˌʌl.trəˈdɪs.tənt/us/ˌʌl.trəˈdɪs.tənt/extremelyfaraway inspace:
Theycalculatedthat thelightfrom the ultra-distantgalaxytravelledfor over 13billionyearsbefore itreachedtheEarth.
Theastronomersareobservingseveral ultra-distantobjectsthat mightsuggestthepresenceof aplanetin thefarreachesof thesolarsystem.
- Theresearchteamidentifiedobjectsthoughtto be ultradistantquasars,suggestingthepresenceof ablackhole.
 - Eris, threetimesthedistancefrom thesuntoPluto, is one of the most ultra-distantdwarfplanetsconfirmedtoexist.
 
Distant in space and time
- (in) the middle of nowhereidiom
 - afar
 - afield
 - all/the four corners of the world/earthidiom
 - anywhere
 - as far as the eye can/could seeidiom
 - away
 - far
 - farthest
 - further
 - furthermost
 - light years awayidiom
 - lonely
 - middle
 - remotely
 - remoteness
 - ultra
 - virtually
 - wide
 - you're getting colderidiom
 
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Astronomy