It was discovered in 1925. It's discoverer is Walter Noddack. It ca be found in the Earth's crust, but very rare. It's one of the rarest element to find in the earth's crust. It can also be found in seawater, the atmosphere and the sun.
Physical Descriptions: metal, silvery-white, density: 21.02 g cm, melting point: 5767 Fahrenheit
Jet engine parts
Rhenium is used for jet engine parts
Rhenium metal pellets
it is used for astro-aviation equipments
it is used for filaments in mass spectographs(used to separate isotopes