Alexander Acosta
Astronomy teacher | Experienced educator in USA
I earned my Astronomy degree from Occidental College, equipped with a fervent curiosity for the cosmos. From celestial mechanics to exoplanet discoveries, my passion drives me to unravel the mysteries of the universe. As your guide, I'll illuminate the wonders of space exploration, guiding students through the vastness of galaxies and the intricacies of cosmic phenomena. With a blend of scientific rigor and contagious enthusiasm, I aim to inspire the next generation of stargazers and explorers. Join me in exploring the infinite wonders of the cosmos and unlocking the secrets of the universe.
Questions
How does the rotation of the Earth cause day and night?
What appears to be the central energy-generating system or engine that is producing prodigious amounts of energy in the centers of galaxies, active galaxies and quasars?
How many parsec are in one kilometer?
Why are parsecs used rather than A.U.?
How do scientists know the shape of the Milky Way?
What protects us from cosmic background radiation?
When did the first life arise on earth?
Exactly how big is earth compared to the universe?
What started the Big Bang? What was there before it? What is some evidence for it? Why do some people not agree?
Why can the structure of the universe be compared to soap bubbles?
How does relativity explain our universe?
What is the asthenosphere made of?
How long does it take light from the sun to reach Saturn?
Which planet has the highest average surface temperature, and why?
How far is Pluto from the sun in AU?
Why do some of the planets in our solar system appear to be brighter than some stars in the night sky?
How long did it take for the sun to form?
What is the so-called Schwarzschild-Radius of a Black Hole?
How do we know our galaxy is moving?
Sans the lone satellite Luna, our planet Earth had cleared debris and other close by space orbiters. How do you find the volume of this cleared neighborhood around the Earth's orbit?