🌌Less than 5% of the universe is visible; the rest is dark matter and dark energy.
🔬Scientists have deduced the existence of the dark universe through its effects on the visible universe.
🏆James Peebles, a renowned cosmologist, made significant contributions to understanding the dark universe.
What is dark matter?
—Dark matter is an invisible substance that does not emit or reflect light but has a gravitational effect on the visible universe.
What is dark energy?
—Dark energy is a mysterious force that is causing the universe to expand at an accelerating rate.
How do scientists study the dark universe?
—Scientists study the dark universe indirectly by observing its effects on the visible universe, such as the rotation of galaxies and the expansion of the universe.
What did James Peebles contribute to cosmology?
—James Peebles made significant contributions to understanding the cosmic microwave background radiation, a crucial tool for studying the dark universe.
Why is the study of the dark universe important?
—Studying the dark universe can help us better understand the fundamental nature of the cosmos and the forces that shape it.
00:03Less than 5% of the universe is visible; the rest is dark matter and dark energy.
01:21Scientists study the dark universe indirectly through its effects on the visible universe.
01:37James Peebles, a renowned cosmologist, made significant contributions to understanding the dark universe.
09:15Dark matter is an invisible substance that does not emit or reflect light but has a gravitational effect on the visible universe.
09:45Dark energy is a mysterious force that is causing the universe to expand at an accelerating rate.
