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Petrucci has been drafted in to replace the injured Enea Bastianini, who is continuing to recover from a broken shoulder that has ruled him out of every weekend since Portugal. The double race winner com Pet ed with Ducati from 2015 to 2020, spending his last two years with the factory squad, where he scored both of his grand prix wins – at Mugello in 2019 and Le Mans in 2020. Petrucci effectively retired from MotoGP at the end of 2021 following a year with Tech3 KTM, and has undertaken campaigns at the Dakar Rally, MotoAmerica and now World Superbikes. Competing in WSBK with Ducati-backed Barni Racing, the Italian was told about his MotoGP call-up by the factory squad on Friday at last weekend's Catalunya round. "This is another thing I was not expecting in my life, but in the last year I did really a lot of things," Petrucci said when asked by Motorsport.com on Thursday at Le Mans how it felt to wear factory Ducati colours again. "This time, I'm real...

We live in an era of renewed space exploration, where multiple agencies are planning to send astronauts to the Moon in the coming years. This will be followed in the next decade with crewed missions to Mars by NASA and China, who may be joined by other nations before long. These and other missions that will take astronauts beyond Low Earth Orbit (LEO) and the Earth-Moon system require new technologies, ranging from life support and radiation shielding to power and propulsion. And when it comes to the latter, Nuclear Thermal and Nuclear Electric Propulsion (NTP/NEP) is a top contender! NASA and the Soviet space program spent decades researching nuclear propulsion during the Space Race. A few years ago, NASA reignited its nuclear program for the purpose of developing bimodal nuclear propulsion – a two-part system consisting of an NTP and NEP element – that could enable transits to Mars in 100 days. As part of the NASA Innovative Advanced Concepts (NIAC) program for 2023, NASA selec...