Something Passed Between Earth and a Star. The Star Got Extremely Bright For an Hour.

Something passed between Earth and a Star. The star got extremely bright for an hour. Then it went back to normal. Meanwhile, every star around it stayed exactly the same. When astronomers worked through what could cause an event like that, it looked like something had drifted between Earth and that star. What could it be? A primordial black hole or a variable star doing its thing?

0:00 Something Passed Between Us and a Star
1:00 Gravitational Microlensing
3:30 Possible Explanations
4:40 A Primordial Black Hole?
6:20 Another Explanation

Sources: NASA, ESA
#universe, #perfect universe, #galaxy #Mysteries