We might have to sit out on that Area 51 raid...
Professor Stephen Hawking famously feared that anSo you may be slightly alarmed to hear that one scientist has suggested that extraterrestrial invaders ‘may already be on their way’.
For a sense of what our first encounter with aliens might be like, we’d urge you to remember that Hawking also said extraterrestrials could be ‘rapacious marauders roaming the cosmos in search of resources to plunder, and planets to conquer and colonize’. He went on to warn about the potentially disastrous effects of light pollution and the well-meaning, but potentially ruinous, decision to send radio transmissions out into space in the hope aliens will pick them up.
‘Light pollution has been blamed for wasting energy, disrupting wildlife behaviour and harming mental health. One aspect has avoided the spotlight though. Namely, that light not only allows one to see, but also to be seen. This could well attract unwelcome attention – and not just from moths.
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