From atypical working hours to the double-edged sword of restaurant meals, here's how these crew members spend their lives onboard
uae6 hours ago
Nasa’s Juno spacecraft has made the closest approach to Jupiter’s tantalising, icy moon Europa in more than 20 years.
On Thursday, Juno zipped within approximately 352km of Europa — thought to have an ocean flowing beneath its thick frozen crust — raising the possibility of underwater life. Scientists hailed the flyby as a success, with four pictures beamed down and released within several hours.
Scientists had hoped to observe possible water plumes shooting from the surface of Europa, close in size to Earth's moon. But none were immediately visible in the initial look.
“We have to be at the right place at just the right time," Juno's chief scientist, Scott Bolton of the Southwest Research Institute in San Antonio, said in a statement.
John Bordi, deputy mission manager at Nasa’s Jet Propulsion Laboratory, expected the spacecraft to go “screaming by pretty fast”, with a relative velocity of almost 23.6 kilometres per second.
The first photo from the flyby is a close-up of Europa's equatorial region, criss-crossed by ridges, troughs, and possibly an impact crater.
The latest observations will help Nasa plan for its Europa Clipper mission, due to launch in 2024 and arrive at the Jovian system in 2030. The European Space Agency also plans close encounters with its Jupiter Icy Moons Explorer (or Juice), lifting off next year.
Nasa's former Galileo spacecraft still holds the Europa flyby record, passing within 351km of that moon, in 2000.
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