Changes

An '''astrobiologist''' is a [[human|person]] who studies life on [[Earth]] and the possibilities for life in the [[universe]].<ref>http://quest.arc.nasa.gov/projects/astrobiology/astroventure/biology/mission/glossary.html</ref>

An '''astrobiologist''' is a [[human|person]] who studies life the origins of life on [[Earth]], and searches for evidence of life in other parts of the universe.<ref>http://quest.arc.nasa.gov/projects/astrobiology/astroventure/biology/mission/glossary.html</ref>It is a relatively new field, which is being facilitated by new technological developments.<ref>https://depts.washington.edu/astrobio/wordpress/about-us/what-is-astrobiology/</ref>

==References==

==References==