Luca de
Astronomy teacher | Tutor for 5 years
With a passion for unraveling the mysteries of the cosmos, I earned my degree in Astronomy from Dordt University. My journey into the depths of space has equipped me with the knowledge to guide students through the wonders of celestial bodies and cosmic phenomena. Whether it's explaining the intricacies of black holes or deciphering the secrets of distant galaxies, I'm here to ignite curiosity and foster a deeper understanding of the universe. Let's embark on an astronomical adventure together!
Questions
Who discovered the fundamental forces?
How do we know that distance between earth and sun is 1 astronomical unit ?
When will our star explode in a supernova?
What are the advantages of using parsecs over light years?
What happens to a galaxy when a black hole is formed within it?
How many light years across is the universe?
What is precession, and how does it affect our view of the heavens?
Why do red giants expand?
If a planet is twice as far from the sun at aphelion than at perihelion, then the strength of the gravitational force at aphelion will be how many times the force at perihelion?
Why do astronomers think comets originate in the Oort Cloud?
What method do scientists use to tell how far a galaxy is from earth?
What percentage of the solar system's mass is found in the sun? How is this calculated?
What is the relationship between the sun and the earth?
Does wavelength of light change in different mediums?
Why are galaxies accelerating away from each other?
What causes the birth of a star?
How do scientists know how many galaxies there are in the universe?
How big is the observable universe, and why can't we see any further?
What is the precession of Venus?
How is stellar parallax related to the Greeks and the discrediting of the geocentric model?