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Different airlines and countries have different restrictions on handbags. Photo: iStock The aviation industry is in turmoil as it struggles to resume operations after the pandemic. One of the victims was a passenger’s checked baggage. Baggage handlers shortages, last-minute schedule changes and cancellations have combined to create flight problems as thousands of passengers around the world find themselves waiting on the carousel for bags that fail to arrive. Parting with your checked baggage, especially if you’re on a cruise ship or somewhere else that’s not easy to reach, is bad enough, but for some people it’s much worse. Important medicines have been lost. Lufthansa has lost the instrument needed for a year-end concert in England. Qantas has temporarily lost the checked baggage of one unfortunate passenger with his mother’s ashes on a flight from London to Sydney. They reunited four days after his flight landed, but not before the airline lashed out on social media

This month, two rockets were heard to be launched from Australia, carrying out experiments to determine whether the ultraviolet light emitted by stars from the Alpha Centauri system is detrimental to potential life on planets around them. The study will also reveal how typical – or abnormal – the sun is. Alpha Centauri consists of two main stars, Alpha Centauri A and Alpha Centauri B (which form a binary pair), as well as a third star, Proxima Centauri, which is only 4.3 light-years away. While no planets have been detected positively orbiting Alpha Centauri A or B, if they do exist, the ultraviolet radiation from their stars may have a significant impact on whether or not they support life. The right amount of ultraviolet light can break down simple organic molecules, such as methane, prompting molecular fragments to reshape the more complex molecules necessary for life. On the other hand, too much ultraviolet could separate out water vapor, make it escape from the planet’s atmosph