Since the first "exoplanet" was found in 1995 by Michel Mayor at the Geneva Observatory, more than 300 have been charted.
自1995年，日内瓦天文台的米歇尔•马约发现自一颗“系外行星”以来，已经有300颗系外行星被登记在册。
Since the first "exoplanet" was found in 1995 by Michel Mayor at the Geneva Observatory, more than 300 have been charted.
自1995年，日内瓦天文台的米歇尔•马约发现自一颗“系外行星”以来，已经有300颗系外行星被登记在册。
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