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Podcast: SpaceTime with Stuart Gary
Episode: Biggest Black Hole Collision Ever Detected
Description: *Biggest black hole collision ever detectedScientists have observed the most massive black hole collision ever seen. The event appears to have originated from a point some seven billion light-years away β at a time when the universe was just half its present age β and making it one of the most distant gravitational wave sources ever detected.*A new estimate for the age of Earthβs coreA new study suggests the Earthβs solid inner core is between one and 1.3 billion years old.*China launches top-secret reusable spaceplaneChina has launched a new top-secret reusable spacepla...