[Ans] When did the Fourth of July become a legal federal holiday?

Step 1 : Introduction to the question "When did the Fourth of July become a legal federal holiday?"

In 1783, Moravians in Salem, North Carolina, held a celebration of July 4 with a challenging music program assembled by Johann Friedrich Peter. This work was titled The Psalm of Joy. This is recognized as the first recorded celebration and is still celebrated there today.

[Ans] NASA recently published findings from a July 2016 mission to what extraterrestrial environment?

Step 1 : Introduction to the question "NASA recently published findings from a July 2016 mission to what extraterrestrial environment?"

Juno is a NASA space probe orbiting the planet Jupiter. It was built by Lockheed Martin and is operated by NASA's Jet Propulsion Laboratory. After an almost five-year journey to the solar system’s largest planet, NASA's Juno spacecraft successfully entered Jupiter’s orbit during a 35-minute engine burn. Confirmation that the burn had completed was received on Earth at 8:53 p.m. PDT (11:53 p.m. EDT) Monday, July 4.