s indicating the first or earliest or original
`proto' is a combining form in a word like `protolanguage' that refers to the hypothetical ancestor of another language or group of languages
“Dust Trap” Solves Mystery of Planet Formation It’s always sobering to remember how much we still don’t know about the universe. Despite finding hundreds of exoplanetary systems and numerous stars surrounded by proto-planetary disks of gas and dust, it’s still not clear how the latter become the former. But observations by the recently-opened Atacama Large Millimeter/submillimeter Array (ALMA) have shed light on this question by finding a ...
June 6, 2013 - Discover