John Alexander
Astronomy teacher | Tutor for 7 years
I hold a degree in Astronomy from Harvey Mudd College, where my passion for celestial phenomena ignited. With a strong foundation in astrophysics and observational techniques, I've cultivated a deep understanding of the cosmos. From stellar evolution to cosmology, I thrive on sharing my knowledge and fostering curiosity about the universe. As your tutor, I'm committed to unraveling the mysteries of the cosmos, guiding students through the wonders of astronomy with clarity and enthusiasm. Together, we'll explore the vast reaches of space and unveil the beauty of the night sky.
Questions
What is a parallax error?
Do black holes really exist?
When is it predicted that the universe will stop expanding?
Which way does the Earth spin?
Does the Earth rotate since the materials it was made of were spinning?
How do quasars affect us?
How did the lunar maria form?
How can the universe be expanding faster than light?
Is the International Space Station a international military facility orbiting the earth?
How is astronomy related to biology?
How does a supernova form?
What order do these go in: solar system, galaxy, universe? What is the relationship between the three?
What limits the size of a telescope on Earth?
Do black dwarfs exist in the Milky Way?
What is below or above the earth in space? If we went a few light years below the earth would we find anything?
How is electromagnetic radiation dangerous?
Edwin Hubble discovered the universe was expanding by measuring the light of distant stars, and by showing that those distant stars were moving further away from the earth. If this is so, then why is the Andromeda Galaxy moving closer to us?
How often do all the planets align?
How bright is a full moon in comparison to the Sun?
What is the actual size of the universe?