How do long range space probes like Voyager 1 anticipate traveling through space for hundreds or thousands of years without hitting something, getting pulled into something’s gravity and crashing, etc?
In: Planetary Science
Fun fact, the Milky Way Galaxy (our home galaxy) is on a collision course with the Andromeda Galaxy. Expected collision is said to happen in about 4.5 Billion years. Billion with a B. Even though stars are concentrated in the center in both galaxies, the chances of actual collision are incredibly small.
If the collision, or merging of the galaxies, should happen, the Earth would have already been gone for 3 Billion years due to the sun becoming hotter.
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