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Journey to Jupiter
It took NASA’s Juno spacecraft five years to reach Jupiter. It arrived last summer and will perform its 10th of 36 planned orbits around the planet this month. As it makes its rounds, the spacecraft will come within 3,000 miles of our solar system’s largest planet.
That’s close enough to study its atmosphere and the superstrong magnetic field that surrounds the planet. Juno will also get the first glimpse below Jupiter’s dense cloud cover—before burning up in the atmosphere next February. The data collected should tell us more about the origin of our solar system.
Since it launched in 2011, Juno has traveled over 1,740,000,000 miles. What’s that in scientific notation?