A Planetary defense did not detect the fragment before it entered our atmosphere.
B When meteors cross our planet’s atmosphere, they release light because of the destructive process that happens.
C The author hopes future technology will be more efficient in spotting asteroids before they approach Earth’s atmosphere.
D Even though it was spotted before its arrival, the meteor that exploded above Russia in 2013 caused a lot of damage.
E Vera C. Rubin is an observatory located in Chile. It is expected to help discover millions of asteroids in the future.