"This is the first time we see a double crater. We know that in the case of Chang'e 5 T1, its impact was almost straight down, and to get those two craters of about the same size, you need two ...
20.3 x 25.4 cm. (8 x 10 in.) ...
Not one but two asteroids might have pushed the dinosaurs to extinction. A new study published in Communications Earth & Environment has confirmed that the 8.5-km-wide depression off the coast of ...