GIANT IMPACTS ON EARTH: “RECENT” and FUTURE

If in 1994 Jupiter was hit by a comet, could the Earth be hit by a comet or asteroid?
Craters *do* exist on Earth, like this one in Arizona!
This 50,000 yr-old, ~1-mile wide crater is from an asteroid ~1/2 size of football field

If in 1994 Jupiter was hit by a comet, could the Earth be hit by a comet or asteroid?