>If you go near a black hole, time begins to be very weird.

only when you compare clocks.

you do not need to be near a black hole to experience time dilation.

https://en.wikipedia.org/wiki/Time_dilation

In physics and relativity, time dilation is the difference in the elapsed time as measured by two clocks. It is either due to a relative velocity between them (special relativistic "kinetic" time dilation) or to a difference in gravitational potential between their locations (general relativistic gravitational time dilation). When unspecified, "time dilation" usually refers to the effect due to velocity.

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For GPS satellites to work, they must adjust for similar bending of spacetime to coordinate properly with systems on Earth

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>I find it hard to believe that everything was created from a tiny little ball. It just sounds ridiculous

it wasn't a "tiny little ball" - there was no matter to make a ball out of.

it was ENERGY.

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energy = mass times speed of light squared.

things had to cool down before atomic particles could form.

we can see the evidence.

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https://en.wikipedia.org/wiki/Cosmic_background_radiation

Cosmic background radiation is electromagnetic radiation that fills all space. The origin of this radiation depends on the region of the spectrum that is observed. One component is the cosmic microwave background. This component is redshifted photons that have freely streamed from an epoch when the Universe became transparent for the first time to radiation. Its discovery and detailed observations of its properties are considered one of the major confirmations of the Big Bang. The discovery (by chance in 1965) of the cosmic background radiation suggests that the early universe was dominated by a radiation field, a field of extremely high temperature and pressure