It was first explored by Auguste Piccard in the year nineteen thirty one.
It was first explored in 1985.
Stratosphere is the layer above troposphere. Troposphere is the first layer and is below the stratosphere.
It was first explored by Francisco Coronado!
Portugal explored the New World first
The Stratosphere does not end at 9 miles in the first place. The Stratosphere STARTS at 17 km so if you do the math, you will know that the Stratosphere does not end at 9 miles.Secondly, the Stratosphere ends at 17 km because that's where the Mesosphere starts.
Troposphere
Eric Blandford.
What country first explored Ohio, and claimed it as a territory
The first planet to be explored by a space probe is Venus. Hope this helps. : )
in 1973
Earth
The Illiniwek