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London: After a successful mission to Pluto last week, scientists are preparing to launch a probe to search for life on the icy moons of Saturn and Jupiter, media reports said.

Earlier this week, the European Space Agency announced that it would collaborate with aircraft manufacturing giant Airbus to launch a space probe in 2022 to look for extra-terrestrial existence on the four icy moons — Titan, Saturn’s largest moon and the ocean-bearing worlds of Europa, Ganymede and Callisto of Jupiter, the Telegraph newspaper reported on Saturday.

Dubbed as the “Juice” (Jupiter Icy Moons Explorer) spacecraft, the mission will look whether the frozen worlds that surround the two giant gaseous planets could support extra-terrestrial life.

“All our current exciting and fascinating space missions have been dealing with either understanding the origins of life and our Solar System or finding exoplanets (planets that revolve around a star other than the Sun) that might host Earth-like planets,” Daniel Brown, an astronomy expert from Nottingham Trent University, was quoted as saying.

“But, life doesn’t have to exist on planets like Earth, it could also have developed in oceans within icy moons around Jupiter like gas giants,” he added.

It is hoped that micro-organisms or even fish-like creatures may be present in deep-water hydrothermal vents, known as ‘black smokers’, which are known to harbour life on Earth.

“Juice will be exploring the Titan and three Galilean moons of Jupiter thought to harbour oceans under their surface. It will give us a much better understanding what lies beneath the icy crust and how it could offer an environment for life to develop.”

The probe will be launched on an Ariane 5 rocket which would spend seven and a half years slingshotting around Earth, Mars and Venus to pick up enough speed to get to the Jupiter system with as little fuel as possible.

For three and a half years, the spacecraft will sweep around the giant planet, exploring its turbulent atmosphere, enormous magnetosphere, and tenuous set of dark rings, as well as studying the icy moons — Ganymede, Europa, and Callisto.

The probe will start with Callisto before making two fly-bys of Europa, where it will study the icy surface.


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Indian wrestler Ravi Kumar (57kg) and Deepak Punia (86kg) enjoyed fruitful outings at the Tokyo Olympic Games as they secured semifinal berths in their respective weight categories at the Makuhari Messe on Wednesday.

On the opening day of the wrestling competition, Ravi Kumar defeated Bulgaria's Georgi Vangelov 14-4 on technical superiority to reach the last-four in the men's 57kg category, while compatriot Deepak Punia overcame China's Zushen Lin 6-3 on points to advance to the semifinals.

Ravi Kumar will take on Nurislam Sanayev of Kazakhstan in the last-four, while Punia will be up against David Morris Taylor of the USA.

Earlier, Ravi Kumar had won his opening-round bout by technical superiority against Colombia's Oscar Tigreros to secure a quarterfinal spot. Competing in the Round-of-16 bout against the Colombian wrestler, the 23-year-old Ravi Kumar, who is making his Olympic debut, showed no nerves as he dominated the bout to win by technical superiority (13-2).

Ravi Kumar landed attack after attack and went 13-2 up, winning the bout by technical superiority with minutes to spare. In wrestling, building up a 10-point lead over the opponent results in a victory by technical superiority.

India's 86kg freestyle wrestler Deepak Punia showed no signs of the niggle that had forced him to pull out of the Poland Open Ranking Series in Warsaw in June, as he defeated Nigeria's Ekerekeme Agiomor on technical superiority to secure a quarterfinal berth.

He got his Olympic campaign to a fine start as he was in control from the start of the bout and hardly ever allowed his Nigerian opponent any room to maneuver his moves, finally winning with a 12-1 on technical superiority.

Punia, who had also suffered an elbow injury just before the Games, was slow at the start but came into his own as the bout progressed, inflicting takedowns at regular intervals to earn points.

The Indian wrestler eased into a 4-1 lead at the break and extended his lead comfortably in the second period.

Punia, the silver medallist from the 2019 world wrestling championships, then set up a clash with China's Lin Zushen in the quarterfinals and defeated him 6-3.

(IANS/HP)