It lives in a constellation named for an 18th century astronomical tool.
, and is named after the astronomical tool used to measure the angular distance between two visible objects in the sky.
"Sextants are often thought of as navigational instruments that were invented in the 18th century. However, the sextant as an astronomical tool has been around for much longer than that: Islamic scholars developed astronomical sextants many hundreds of years earlier in order to measure angles in the sky," European Space Agency officialsFaint concentric ovals appear progressively brighter towards the center of the galaxy NGC 3156.
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