Amazon Quiz (December 8, 2021): NASA’s Juno probe recently offered the first 3D view of the atmosphere of which planet?

A. Saturn

B. Uranus

C. Jupiter

D. Mars

Answer: Jupiter

Juno is a space probe orbiting the
planet Jupiter, built by Lockheed Martin and operated by NASA’s Jet
Propulsion Laboratory. The spacecraft was launched from Cape Canaveral Air
Force Station on 5 August 2011 and is part of the New Frontiers program.

Juno
entered a polar orbit of Jupiter on 5 July 2016, to begin a scientific
investigation of the planet. After completing its mission, Juno will be
intentionally deorbited into Jupiter’s atmosphere.

Juno’s mission is to measure Jupiter’s
composition, gravitational field, magnetic field, and polar magnetosphere. It
will also search for clues about how the planet formed, including whether it
has a rocky core, the amount of water present within the deep atmosphere, mass
distribution, and its deep winds, which can reach speeds up to 620 km/h (390
mph).

Juno is the second spacecraft to orbit
Jupiter, after the nuclear-powered Galileo orbiter, which orbited from 1995 to
2003. Unlike all earlier spacecraft sent to the outer planets, Juno is powered
by solar panels, commonly used by satellites orbiting Earth and working in the
inner Solar System, whereas radioisotope thermoelectric generators are commonly
used for missions to the outer Solar System and beyond.

For Juno, however, the
three largest solar panel wings ever deployed on a planetary probe play an
integral role in stabilizing the spacecraft as well as generating power.

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