Tag: Io

Strange Radio Signal Discovered Coming From Jupiter’s Moon

Article by Chris Ciaccia                                         January 12, 2021                                        (foxnews.com)

• In 2018, NASA researchers monitoring the Galileo Probe spacecraft observed extraordinary electromagnetic waves, or “chorus waves,” on Jupiter’s moon, Ganymede. NASA recently published in the scientific journal Geophysical Research Letters that NASA’s Jupiter space probe ‘Juno’ (pictured above) detected a “decametric radio emission” as it traveled over Jupiter’s polar region at a speed of 111,847 mph. The radio emission lasted for only five seconds, but it was enough time to confirm the source.

• “It’s not ET,” says NASA’s Patrick Wiggins. “It’s more of a natural function.” Electrons spiraling in Jupiter’s magnetic field are thought to be the cause of the radio noise. Scientists have known about radio waves on Jupiter since the mid-1950s, but this is the first time the phenomenon has ever been seen emanating from Ganymede.

• The Juno spacecraft launched in 2011and was scheduled to stop functioning in July 2021. But NASA recently extended the duration of the Juno mission around Jupiter to September 2025, if it survives that long. During its mission, Juno has made a number of discoveries and captured remarkable images of the planet and its moons. Juno will continue to observe the gas giant and its rings, and is planned to make close flybys of moons Ganymede, Europa and Io.

• Ganymede, the largest of Jupiter’s moons, has long fascinated astronomers. In 2015, NASA’s Hubble Space Telescope spotted evidence that Ganymede has an underground ocean. Jupiter’s moon Europa is the sixth-largest moon in the solar system and home to an ocean that “could be habitable,” say researchers.

 

                    Galileo Probe

NASA recently extended the life of two of its planetary discovery missions, including the Juno mission to Jupiter. Now it’s come to light Juno has discovered an FM signal emanating from one of the gas giant’s moons, Ganymede.

                      Patrick Wiggins

The discovery is not an indication of extraterrestrial life, but it is fascinating nonetheless, given it’s the first time it’s been discovered coming from the celestial satellite.
“It’s not E.T.,” Patrick Wiggins, one of NASA’s ambassadors to Utah, said in comments obtained by Fox 8 Cleveland. “It’s more of a natural function.”

The spacecraft, which launched in 2011, happened to be traveling across Jupiter’s polar region at a speed of 111,847 mph when it crossed the radio source, known as a “decametric radio emission,” or simply Wi-Fi. It saw the radio emission for only five seconds, but it was enough time to confirm the source.

                              Europa

According to NASA, the decametric radio waves have frequencies between 10 and 40 MHz, but never above 40 MHz. “Electrons spiraling in Jupiter’s magnetic field are thought to be the cause of the radio noise we hear,” the space agency added.

Scientists have known about radio waves on Jupiter since the mid-1950s, but this is the first time the phenomenon has ever been

                           Ganymede

seen emanating from Ganymede.
The findings were recently published in the scientific journal Geophysical Research Letters.

While notable, this is not the first time scientists have discovered strange occurrences on Ganymede. In 2018, researchers observed “extraordinary” electromagnetic waves, also known as “chorus waves,” thanks to the Galileo Probe spacecraft.

Jupiter’s moon Ganymede has long fascinated astronomers—as it is the largest of the planet’s moons. In 2015, NASA’s Hubble Space Telescope spotted evidence that Ganymede has an underground ocean.

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