Respuesta :
Answer:
The first evidence of helium was obtained on August 18, 1868 by french astronomer jules janssen.
Explanation:
For some time helium was believed to exist only in the sun. However in 1882, Italian physicist Luigi Palmieri detected helium on earth when analyzing lava from mount vesuvius after it erupted in that year.
Answer:
The name is derived from the Greek, 'helios' meaning sun, as it was in the sun's corona that helium was first detected.
Explanation: