They also calculated the past path of the solar system, winding the clock back 30 million years, and found that the wave and ...

Everyone knows about the Solar System, and the planets that make it ... After both separately getting the data, it was then a race against the clock to see who would discover what was causing ...

then we know how old the solar system is. And we measure how old Earth is by looking at the stuff it’s made from - rocks. Because we can read rocks kind of like a big clock and some rocks change ...