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系外惑星 (keigaiwakusei) Japanese meaning: exoplanet | Kotomora

系けい外がい惑わく星せい

け

い

が

い

わ

く

せ

い

Meanings

1

exoplanet; extrasolar planet

Technical term in astronomy for a planet outside the Solar System.

系けい外がい惑わく星せいの大たい気きを観かん測そくする技ぎ

術じゅつ

が

進しん

歩ぽ

し

て

いる

。

Technology for observing the atmospheres of exoplanets is advancing.

Kanji

系lineage, system
外outside
惑beguile, delusion, perplexity
星star, spot, dot

Related words

太たい陽よう系けい外がい惑わく星せい
Synonym; 太陽系外惑星 is more explicit ('planet outside the Solar System'), while 系外惑星 is a common abbreviation.

Built from

系けい+外がい惑わく星せい

Etymology

Compound of 系外 (outside a system) and 惑星 (planet).