Audrey Arnold
Astrophysics teacher | Tutor for 5 years
I hold a degree in Astrophysics from the University of North Carolina at Asheville. My passion for unraveling the mysteries of the cosmos drives my teaching approach. With a solid foundation in physics and astronomy, I guide students through the wonders of the universe, making complex concepts accessible. Whether it's explaining celestial phenomena or solving equations, I foster a supportive learning environment where curiosity thrives. Let's embark on a journey through the stars together, exploring the vastness of space and the beauty of astrophysical principles.
Questions
How does luminosity differ from the brightness of the same object as seen at the earth?
What does ultraviolet light from hot stars in very distant galaxies reaches us in the form of?
- What was Einstein's equation, and what did it tell us about Big Bang?
- Time travels faster than light. Light has a mass of 0 and according to Einstein nothing can move faster than light if it doesn't have its weight as 0. Then why does time travel faster than light?
- Is there other intelligent life in our galaxy or an alternate universe?
- What are the implications of the study of the supernovas that show the universe is increasing its rate of expansion? Why do scientists oppose the idea of an open universe?
- What is binding energy and mass defect?
- Mimas, a moon of Saturn has an orbital radius of #1.87 * 10^8# #m#. What is the orbital period?
- What keeps a satellite up in its orbit about the Earth?
- What is the speed of a satellite moving in a stable circular orbit about the Earth at a height of 4000 km?