The Mind-Blowing Mysteries of the Universe Explained

🌌The age of the universe is currently estimated to be 13.8 billion years, but there are slight disagreements in the scientific community on this number.

🔭The size of the observable universe is currently estimated to be nearly 100 billion light years across, but the actual size of the universe beyond our observable horizon is unknown.

⭐️The expansion of the universe is a continual process, and the speed of light limits the information that we can access about the past and the distant parts of the universe.

🔍Scientists are still trying to understand the true nature of the universe and resolve the tensions between different measurements and models.

🌌The mysteries of the Big Bang continue to fascinate scientists, and new discoveries are being made as we explore the cosmos further.

What is the age of the universe?

—The current estimate for the age of the universe is 13.8 billion years.

How big is the observable universe?

—The observable universe is estimated to be nearly 100 billion light years across.

Will the universe continue to expand forever?

—Yes, the expansion of the universe is a one-way trip, and it will continue to expand indefinitely.

Why do scientists have different measurements and models for the universe?

—The scientific community is still working to resolve the tensions between different measurements and models in order to gain a better understanding of the universe.

What mysteries are we still trying to solve about the Big Bang?

—Scientists are still researching and exploring the mysteries of the Big Bang, including the nature of dark matter, dark energy, and the early moments of the universe.

00:00Join Neil deGrasse Tyson on Star Talk special edition as he answers burning questions about the universe.

13:08The age of the universe is currently estimated to be 13.8 billion years, and there are slight disagreements in the scientific community on this number.

16:00The size of the observable universe is currently estimated to be nearly 100 billion light years across, but the actual size of the universe beyond our observable horizon is unknown.

27:12The expansion of the universe is a continual process, and the speed of light limits the information that we can access about the past and the distant parts of the universe.

43:20Scientists are still trying to understand the true nature of the universe and resolve the tensions between different measurements and models.

59:30The mysteries of the Big Bang continue to fascinate scientists, and new discoveries are being made as we explore the cosmos further.