techkenyot.com
techkenyot.com October 17, 2018


NASA extends Juno mission by 3 years

09 June 2018, 12:00 | Edward Lowe

NASA extends Juno mission by 3 years

This artist’s concept of lightning distribution in Jupiter’s northern hemisphere incorporates a Juno Cam image with artistic embellishments. Data from NASA’s Juno mission indicates that most of the lightning activity on Jupiter is near its poles. Ima

"We can't explain why we see almost twice the amount of lightning in the Northern Hemisphere of Jupiter than we do in the Southern Hemisphere", Brown said.

Brown revealed that, during Juno's first eight flybys of Jupiter, the spacecraft's Microwave Radiometer instrument picked up 377 lightning blasts, which "were recorded in the megahertz as well as gigahertz range" - the same as "what you can find with terrestrial lightning emissions".

Together, these findings represent the most detailed and comprehensive look at Jupiter's lightning to date, and provide important clues to figuring out the complex dynamics hidden by the planet's opaque layers of stormy clouds.

"Until Juno, all the lightning signals recorded by spacecraft were limited to either visual detections or from the kilohertz range of the radio spectrum, despite a search for signals in the megahertz range", Shannon Brown, a scientist at NASA's Jet Propulsion Laboratory and a lead author on the paper, said.

But there was something weird about them, compared to our Earth lightning.

Meanwhile, a second study also published in Nature examined the nature of the lightning from Jupiter further.

US Operator Killed, Another 4 Troops Wounded In Somalia
In October, four soldiers were killed in an ambush in Niger that raised questions about the military's strategy on the Continent. A US Special Forces Operational Detachment Alpha (ODA) came under attack today in the Bar-Sanguni area near Kismayo in Somalia.

Scientists predicted the possibility of the existence of the so-called "Jupiter lightning" for centuries, and these predictions were confirmed in 1979.

"There is a lot of activity near Jupiter's poles but none near the equator". Many theories tried to explain the phenomenon, but none of them could ever visualize traction as the answer.

Why do lightning bolts congregate near the equator on Earth and near the poles on Jupiter?

According to Brown, Juno picked up radio signals from Jupiter's lightning in the megahertz range experienced on Earth.

The research examined how often the Juno spacecraft detected lightning on Jupiter and found out that the probe's Waves plasma and radio wave detector recorded more than 1,600 "whistlers".

Heat drives lightning, and the sun's rays cause Earth's equator to heat up more than the poles. As we have mentioned before, lightning storms on our planet are gathering around the equator, in the tropical regions, due to the moisture that is rising through the atmosphere.

Robert Mueller slaps obstruction charges on Paul Manafort
The disclosure could alter the way the public perceives Mueller's investigation, said former federal prosecutor Renato Mariotti . Gates reached a plea deal in February and agreed to cooperate with the special counsel investigation.

Presently, notwithstanding, Juno can hear the signs the others missed, and that implies the lightning on Jupiter is quite part like our own... yet not precisely the same. "We think the reason we are the only ones who can see it is because Juno is flying closer to the lighting than ever before, and we are searching at a radio frequency that passes easily through Jupiter's ionosphere". It took nearly five years to reach Jupiter after a roundabout route that sent it on a flyby of Earth in 2013 to build up speed to match orbits with Jupiter. The spacecraft landed on the surface of Jupiter on 4 July 2016.

"These findings could help to improve our understanding of the composition, circulation and energy flows on Jupiter", said Brown. As Jupiter produces lightning through electrical reactions between ice and water droplets, the lightning's location suggests that the water-filled gas in the atmosphere circulates toward the poles.

Luckily for the scientists, NASA is extending the Juno mission through July 2021.

The decision to fund the Juno mission through fiscal year 2022 was made after an "independent panel of experts" ruled that it was on track to "achieve its science objectives and is already returning spectacular results".

Juno's Principle investigator from the South West Research Institute, Scott Bolton, revealed in an email that the orbits are longer than expected and that is why the spacecraft needs more time to collect planned scientific measurements.

First ‘Halloween’ Trailer Reveals the Return of Michael Myers
If you guys thought the teaser trailers were intense, this trailer must has blown your collective minds. Halloween is due for release on 18 October in Australia, and 19 October in the United States and UK.



Other News

Trending Now

Cut melons linked to salmonella outbreak in Midwest
Both chains are cooperating with the investigation and have removed fruit associated with the outbreak from their shelves. In rare cases, an infection can lead to death unless a patient receives prompt treatment with antibiotics.

Essential Phone gets Audio Adapter HD mod with 3.5mm jack
For those who don't know, MQA is a new method of unpacking songs that gives a lossless audio experience in a smaller size. This allows you to listen to music how the artist intended without it taking up a massive amount of space on your device.

Lil Wayne apparently wants LeBron James to sign with the Thunder
Paul, meanwhile, will be an unrestricted free agent following his first season with the Houston Rockets . The Lakers do not offer the same kind of dynamic roster as teams like the Sixers and Rockets .

Trump says National Basketball Association champs won't get invite
A new National Football League policy announced last month allows dissenting players to stay in the locker room during the anthem but Mr.

Trump cancels Eagles' White House celebration, reigniting national anthem kneeling controversy
Eagles owner Jeffrey Lurie has also been critical of Trump, and reportedly described his presidency as "disastrous". When Colin Kaepernick protested against social injustice during the 2016 season, Jenkins joined him.

Michael Myers Is Back In First Halloween Trailer
Laurie reveals that she has prayed every night that Michael Myers would escape so that she could finally kill him. The trailer made a point to show Laurie's scar on her arm from when she first came face to face with him.

Lewis Hamilton: Mercedes reveal engine setback ahead of Canadian Grand Prix
Even a member of the city Council of Toronto could not resist and took part in the action, writing: " Montreal looks familiar...". The 2013 race was more about the midfield making into the points and challenging for the podium than it was about the victor .

Hilary Duff Is Pregnant And She's Already Stoked About Her 'Little Princess'
Hilary Duff is pregnant , and she'll be having a little princess. "[Hilary Duff] another incredible chapter begins". Most recently, reports surfaced that the pair had gotten back together in October 2017.

Doctors say first lady 'can't fly for one month'
Grisham did not answer. "Right there", Trump said, pointing up to the White House from the driveway as he departed for Quebec. Nevertheless, things took a nastier turn on June 2, when David Frum, a former speechwriter for President George W.

Happy election day! Now get out there and mark a ballot
You may either deliver or mail your ballot to the Prowers County Clerk and Recorder's Office. An estimated 768,895 voters participated in the advance voting for the 2018 election.