Astronomers have released their first analysis of our second known interstellar visitor, comet 2I/Borisov, and these findings show that despite the comet’s extra-solar origins, the materials that this alien visitor is made of are downright familiar. First spotted on August 30, 2I/Borisov’s orbital path was quickly determined to follow aread more
Astronomers have discovered what may be our Solar System’s second known interstellar visitor, a comet that is moving too fast on a highly eccentric orbit to be bound by the Sun’s gravity. This follows the passage of the asteroid (or perhaps spacecraft?) known as ‘Oumuamua through our Solar System inread more
Interstellar Interloper ‘Oumuamua may have been an Extraterrestrial Spacecraft, according to Harvard Astronomers
A controversial paper has been published by astronomers at Harvard University that suggests that that the odd behavior being exhibited by the interstellar object known as ‘Oumuamua might actually be an artificial object that was built by an extraterrestrial civilization in the form of a solar-powered "lightsail".
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Another sizable asteroid has made a close pass to Earth on May 15, making 2010 WC9 the 35th object to pass within one lunar distance in 2018 alone, and the 17th to have passed within one-half of the distance between the Earth and the Moon. Thankfully, this object wasn’t big enough–or traveling fast enough for that matter–to cause any major damage to the Earth if it had actually hit us. But what is up with the increased number of asteroids making close passes to our little blue home?
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