A French astronomer who along with English scientist Joseph Norman Lockyer is credited with the discovery of gas helium.
During his life he was made a Knight of the Legion of Honor and a Foreign Member of the Royal Society of London. Craters on both Mars and the moon are named in his honor.
A French astronomer who along with English scientist Joseph Norman Lockyer is credited with the discovery of gas helium.
During his life he was made a Knight of the Legion of Honor and a Foreign Member of the Royal Society of London. Craters on both Mars and the moon are named in his honor.
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