


Luke Allen
Astronomy teacher | Verified Expert
I'm a passionate astronomy educator with a degree from Rasmussen University. My journey into the cosmos began with a fascination for the stars, inspiring me to delve deep into the realms of astrophysics. Through engaging lessons and interactive discussions, I strive to ignite curiosity and foster a love for the wonders of the universe. Whether exploring celestial mechanics or unraveling the mysteries of distant galaxies, I am dedicated to helping students grasp the complexities of astronomy. With a blend of expertise and enthusiasm, I aim to inspire the next generation of stargazers and scientists.
Questions
What observation provides the best evidence that Earth revolves around the Sun?
Energy is produced within a star's core by what process?
What is the big bang theory and how does it explain the formation of the universe?
How does a black hole occur?
How do you reconcile something as messy as the Big Bang theory sounds with the well ordered universe and biological systems that can be found in our universe?
What explains the precession of the equinoxes?
Which is bigger: Mars, the moon, or Mercury?
What would be the advantages of measuring stellar parallaxes from Mars rather than from Earth?
What is the Hubble telescope used for?
What is a black hole?
Can you see other galaxies from Earth?
How does a gravitational redshift differ from a doppler shift?
What features of Earth allow it to sustain life?
How can galaxies collide in an expanding universe?
Why is the formation of the moon important?
What will happen to black holes when the universe is no longer expanding?
Closest Luna Looks Super. From the data on record over centuries, how do you prove that the so-far-largest Super Moon was nearly 1.14 times the so-far-smallest, in diameter, and 1.30 times, in area of the disc?
The orbits of asteroids (and comets and planets) have a perihelion and an aphelion. What do these terms mean?
What is an accretion jet in black holes?
How many quasars are there in the universe?