What is Universe?
The Universe What is the universe? Answer: The universe is everything that exists, including all matter, energy, and space. How old is the universe? Answer: The current scientific estimate for the age of the universe is approximately 13.8 billion years. What is the shape of the universe? Answer: The shape of the universe is still a matter of scientific debate, but current evidence suggests that it is flat or nearly flat. What is dark matter? Answer: Dark matter is a hypothetical form of matter that is believed to exist based on its gravitational effects on visible matter. What is dark energy? Answer: Dark energy is a hypothetical form of energy that is believed to be responsible for the observed accelerated expansion of the universe. Is the universe expanding? Answer: Yes, the universe is expanding, as evidenced by the redshift of light from distant galaxies. What is the cosmic microwave background radiation? Answer: The cosmic microwave background radiation is the afterglow of t...