I was there to view something called a long-duration balloon flight, which basically takes telescopes and instruments all the way to the upper atmosphere, the upper stratosphere, 40 km up.
Fui allí para ver algo llamado "vuelo de globo de larga duración" que, básicamente, transporta telescopios e instrumentos hasta la capa superior de la atmósfera, la estratósfera superior, a 40 km del suelo.