The Universe
Topic Page
The UniverseQuestions
- What is red shift?
- What two elements make up over 99% of the observable universe?
- What types of objects are found in the universe?
- What are the distributions of atomic matter, dark matter, and dark energy in the universe?
- How do we know that the universe is expanding?
- Is the expansion of the universe accelerating or decelerating? How do we know?
- What is the Big Bang Theory and how does it account for the creation of the universe?
- How is the observable universe defined?
- What does the universe encompass?
- How was the universe formed?
- How has the size of the universe changed over time?
- How does the universe expand?
- How is the mass of the universe determined?
- How is the doppler effect related to understanding the universe?
- How does the entropy in the universe changed over time?
- How does the expansion of the universe affect light?
- I have heard that according to Hubble Telescope the universe is expanding like a balloon . A balloon expands in 3 dimensions . The Hubble Telescope sends reports to NASA and NASA said that universe is flat. Is NASA itself confused?
- Question #e1ad7
- Question #f0ba1
- What existed before the big bang?