


Matthew Arnold
Astrophysics teacher | Tutor for 9 years
I hold a degree in Astrophysics from Governors State University. With a passion for unraveling the mysteries of the cosmos, I bring a deep understanding of celestial mechanics and cosmic phenomena to my tutoring sessions. Whether it's explaining the principles of stellar evolution or delving into the intricacies of quantum cosmology, I'm dedicated to helping students grasp complex concepts and excel in their studies. My approach combines clarity, patience, and enthusiasm, fostering a supportive learning environment where curiosity thrives. Let's embark on a journey of discovery together and explore the wonders of the universe.
Questions
Light from the sun travels through space to Earth's atmosphere. What will light waves do when they move from empty space into matter made up of different gases?
Can you see a pulsar from earth?
How does the sun atmosphere differ from its interior?
Is empty space a pure vacuum?
What does ultraviolet light from hot stars in very distant galaxies reaches us in the form of?
What is dense matter?
What is fusion? What elements are involved in this reaction in the sun?
Which method relies on the mass of a dark object revealing its presence?
- Is the universe in motion or it is at rest??
- If the Moon moved farther away from Earth, what would happen to the gravitational force between Earth and the Moon?
- When the Moon orbits Earth, what is the centripetal force?
- On the surface of Earth, a spacecraft has a mass of #2.00 * 10^4# kilograms. What is the mass of the spacecraft at a distance of one Earth radius above Earth's surface?
- What relationship exists between the speed of the galaxies moving apart and their initial distances from one another?
- What is meant by Apogee and perigee,Eccentricity? How do we Calculate them?
- What defines a planet's orbit?
- According to theory of general relativity,the light from a distant star in its path bent due to gravity of sun.Why it was not trapped in sun's orbit (to revolve around the sun)?
- If light is a form of energy, why should it get attracted by the immense gravitational force exerted by a black hole?
- Universe cold or hot ??
- What is the velocity of a satellite moving in a stable circular orbit about the Earth at a height of 3600 km?