Someone who travels into little known regions (especially for some scientific purpose); SYN. adventurer.
Series of US scientific satellites. Explorer 1, launched Jan 1958, was the first US satellite in orbit and discovered the Van Allen radiation belts around the Earth.
One who researches; an investigator in the sciences or humanities.
Sinonimi: man of science
A person with advanced knowledge of one of more sciences; SYN. man of science.