How many planets do we have within our solar system? How many have been discovered in the galaxy?

Answer 1

We have 8 planets in solar system.

Exo planets are planets other than those in the solar system; according to Wikipedia, "as of August 1, 2017, astronomers have identified 3,639 such planets (in 2,729 planetary systems and 612 multiple planetary systems).[1] Here is a list of the most notable discoveries:" Check out this link for specifics and the number of planets discovered by each method.

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Answer 2

Olivia Aldridge

There are eight planets in our solar system. The number of planets discovered in the galaxy is constantly changing as new discoveries are made. Thousands of exoplanets have been identified, and the count continues to increase.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.