If you have not done so yet, you may want to catch up about the interstellar visitor called “Oumuamua”. In short, Oumuamua which translates in native Hawaiian to the word “Scout”, is an elongated object that entered our solar system and left at an increased rate of speed that was not congruent with our understanding of comets or any other unearthly object in space. We still have not been able to explain what Oumuamua is, but the scientific community is split in many different ways. What we do know is that while it is possible for objects such as comets to change direction or speed due to melting or heating when nearing a star, we saw no evidence of discharge when viewing Oumuamua through a telescope.

After a few months of speculation and public discussion it was anybodies guess and people generally stopped talking about Oumuamua until now. It seems that we have yet another interstellar visitor dubbed C/2019 Q4 (Borisov). The only thing about Borisov that is surprising is that it behaves exactly how we would expect an object entering out solar system. This rises a lot of questions. One being, are there laws of physics or elementary interactions from other solar systems that we don’t understand? Was this some kind of automated space design? With technology constantly improving, we expect that there will be more objects to study in the coming years. Stay tuned to the ESA to learn more. http://www.esa.int/Safety_Security/Interstellar_2.0


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