NASA spacecraft barreling toward Jupiter for July 4 meetup

LOS ANGELES (AP) — A NASA spacecraft is bound for a Fourth of July encounter with Jupiter in the latest quest to study how the largest planet in the solar system formed and evolved.
As Juno approaches Jupiter’s harsh radiation environment, it will fire its main engine to slow down and then slip into orbit around the planet.
“It’s a one-shot deal,” mission chief scientist Scott Bolton from the Southwest Research Institute in San Antonio, Texas, said Thursday. “