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How does gravity affect objects in our universe?

Answer 1

Gravity is what keeps everything together and from flying off.

Just like the sun's gravity keeps the solar system's planets in orbit, so too does the gravity of the galaxy keep all the stars in tow. And galaxies that are a part of a grouping, like the local group we are in, are kept orbiting around the center of gravity.

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Answer 2

Josiah Adams

A force that pulls mass-containing objects toward one another, gravity regulates the motion of celestial bodies, keeping planets in orbit around stars and moons around planets. Gravity's strength is a function of both mass and distance.

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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.