Did Life Come To Earth On Asteroids?
Imagine an asteroid is heading toward the Earth not long after life arose some four billion years ago
The asteroid strikes in a region near some water ponds that contain some microorganisms.
, scientists have uncovered 277 known rocks here on Earth that came from Mars,
Life on Earth is truly one of the strangest things in the cosmos.
There are even some organisms that can survive the harshest conditions known, including the vacuum of space.
There is another way that life could jump from one world to another, and it doesn’t necessarily involve the need for life
. Life on Earth arose during a period of time called the Late Heavy Bombardment around four billion to 3.5 billion years ago