


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 planet is so light it could float in water?
What exists in intergalactic space? Are there stars in these expanses?
What are the chances that there is another planet orbiting our sun beyond Pluto?
What is a reason a theory cannot become a law?
In what ways did the astronomical observations of Galileo support a heliocentric cosmology?
How does General Relativity relate to the Big Bang?
The intensity of sunlight under the clear sky is 836 W/m2. The speed of light is 2.99792 × 108 m/s. How much electromagnetic energy is contained per cubic meter near the Earth’s surface?
How does cosmic background radiation change the universe?
What evidence best supports the Milankovitch hypothesis?
How does a star form from a nebula?
Is it possible for the earth to be sucked into a black hole? If so, what would happen?
What percentage of the universe is considered to be observable?
How do scientists know how long it takes light to reach the earth from the sun?
Why are some people opposed to the Big Bang Theory?
Do other planets aside from Saturn have rings?
When a star explodes, does their energy only reach Earth by the light that they transmit? How much energy does one star give off when it explodes and how much of that energy hits Earth? What happens to that energy?
What is pluto minimum distance from earth?
What are 6 major stars in the constellation Ursa Major?
How are cepheid variable stars used in determining distances?
When did plant life begin to appear on earth?