Tuesday, July 5, 2016


Juno Spacecraft reaches Jupiter (जूनो अंतरिक्ष यान बृहस्पति ग्रह तक पहुँचा)

NASA's probe mission Juno reached Jupiter and started orbiting it. This is a big step of NASA in space to reveal hidden secrets of Gigantic planet. 

Juno is a NASA New Frontiers mission currently orbiting the planet Jupiter. Juno was launched from Cape Canaveral Air Force Station on August 5, 2011 and arrived on July 4, 2016. The spacecraft is in a polar orbit to study Jupiter's composition, gravity field, magnetic field, and polar magnetosphere. Juno 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 of 618 kilometers per hour (384 mph).

Juno is the second spacecraft to orbit Jupiter, following the Galileo probe which orbited from 1995–2003.

The Juno spacecraft is powered by solar arrays, 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, three solar array wings, the largest ever deployed on a planetary probe, play an integral role in stabilizing the spacecraft and generating power.

Jupiter Planet

The spacecraft's name comes from Greco-Roman mythology. The god Jupiter drew a veil of clouds around himself to hide his mischief, but his wife, the goddess Juno, was able to peer through the clouds and see Jupiter's true nature.The mission had previously been referred to by the backronym JUpiter Near-polar Orbiter in a list of NASA acronyms.

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