Tag Physics

Does Time Actually Exist?

Does time actually exist?

What do you think about the idea of time? Is it real, or is it an illusion? I think the question that needs to be asked is, how can you be certain that time is real? What does it mean…

The Edge of the Universe: Where Does It End?

Edge of the Universe

A cosmic horizon limits the observable universe. Beyond the cosmic horizon, there are other galaxies, but their light has not yet had time to reach us. This is because space and time were created in the Big Bang about 14…

What Is the Future of the Universe?

The Future of the Universe

In the past, it was assumed that the universe would expand to a maximum in the future and then retreat again with the same gravity. However, the latest research, studies, and theories say that not only does it not stop…

Was The Universe Born From Nothing?

The Universe Born From Nothing

The universe was born from nothing? At the beginning of everything, there was no matter and it appeared as a consequence of the evolution of the cosmos. Something we are still trying to understand. Even though matter didn’t always exist…

Gravitational Force Definition

Gravitational Force Definition

What is Gravity? Gravitational force is the force that large bodies, such as planets, exert on smaller objects. Gravitational force attracts objects thrown toward the Earth and also keeps the Moon in its orbit. The term Gravitational force is used…

What is Radiation

Image of radiation.

What is radiation? Radiation is various types of energy in the form of particles or electromagnetic waves that travel through space. The radiation has different compositions and origins. Radiation is a physical process of emission (output) and propagation (displacement) of…

Concept of Time | Physical Quantity | THEORETICAL PHYSICS

Picture of the measurement of time.

In physical terms, time is what clocks measure. This may sound unsatisfactory, but this definition corresponds not only to our everyday understanding, but also to Einstein’s theory of relativity. Einstein, after all, said that time is relative, and by that…