NASA's Juno data points to new volcano on Jupiter moon Io
Washington, July 14 : Using data collected by NASA's Juno spacecraft, scientists have got clues to a previously undiscovered volcano on the Jupiter moon Io.
With its Jovian InfraRed Auroral Mapper (JIRAM) instrument, the Juno spacecraft found a new heat source close to the south pole of Io, NASA said on Saturday.
"The new Io hotspot JIRAM picked up is about 300 kilometres from the nearest previously mapped hotspot," Alessandro Mura, a Juno co-investigator from the National Institute for Astrophysics in Rome, Italy, said in a statement.
"We are not ruling out movement or modification of a previously discovered hot spot, but it is difficult to imagine one could travel such a distance and still be considered the same feature," Mura added.
The infrared data were collected on December 16, 2017, when Juno was about 470,000 kilometers away from the moon.
The Juno team will continue to evaluate data collected on the December 16 flyby, as well as JIRAM data that will be collected during future (and even closer) flybys of Io, NASA said.
Past NASA missions of exploration that have visited the Jovian system (Voyagers 1 and 2, Galileo, Cassini and New Horizons), along with ground-based observations, have located over 150 active volcanoes on Io so far.
Scientists estimate that about another 250 or so are waiting to be discovered.
Juno has logged nearly 235 million kilometres since entering Jupiter's orbit on July 4, 2016.
Juno's 13th science pass will be on July 16, the US space agency said.
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AMMK chief files plaint against TVK over 'forged' support letter
Chennai (PTI): The AMMK has lodged a complaint with the Guindy police against the TVK, alleging the use of a "forged" support letter to stake claim for government formation, police said on Saturday.
According to Guindy police, a petition has been received from AMMK General Secretary T T V Dhinakaran.
However, officials said that no First Information Report (FIR) has been registered in the matter as of Saturday morning.
The development followed a high-drama midnight visit by Dhinakaran to the office of the Assistant Commissioner of Police, Guindy Range.
Speaking to reporters, the AMMK chief accused the Vijay-led TVK of submitting a forged photocopy of a letter to Governor Rajendra Vishwanath Arlekar, falsely claiming the support of AMMK’s lone MLA-elect from Mannargudi, S Kamaraj.
"The TVK, which claims to be a 'pure force,' has indulged in forgery and horse-trading," Dhinakaran stated.
He alleged that the party attempted to bypass the anti-defection law by fabricating support. He also revealed that Kamaraj was "shocked" to see the forged document used in his name.
Earlier on Friday, Dhinakaran had formally extended AMMK's support to AIADMK General Secretary Edappadi K Palaniswami. Meanwhile, the TVK has dismissed the allegations as "false news," releasing a counter-video purportedly showing MLA Kamaraj signing the support letter voluntarily.
The Guindy police are expected to conduct a preliminary inquiry into the petition before deciding on the registration of an FIR.
