Are UFOs actually alien spacecraft visiting Earth? They might be, says Neil deGrasse Tyson, but if you want to make that claim you better bring the evidence to support it.
- Eyewitness testimony is the lowest form of evidence. To measure what is true or not true in the world, we require data — and when it comes to alien appearances, it’s as astronomer Carl Sagan said: “Extraordinary claims require extraordinary evidence.”
- So what can you do to prove your alien abduction story? Take selfies, live-stream video to the internet, and if you happen to find yourself in a spacecraft getting your “gonads poked”, then grab an item from the alien lab as evidence before they release you back on Earth. Neil deGrasse Tyson wants to believe, but not until he sees the data.
Letters from an Astrophysicist
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This article was originally posted on Big Think