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 black dwarf differ from a white dwarf?
Solid lithium hydroxide is used in a space vehicles to remove exhaled carbon dioxide from the living environment by forming solid lithium carbonate and liquid water. What mass of gaseous carbon dioxide can be absorbed by 1.00 kg of lithium hydroxide?
In simple terms, what is the Big Bang Theory?
How are parsecs converted to meters?
How was the Hubble Space Telescope put in space?
What is the size of the moon in relation to the earth?
Why does the size of the universe change?
If the earth's rotation were to speed up or slow down would it have a drastic effect on the life on the planet?
What are the Milankovitch Cycles, and how are they connected to global climate change patterns?
How did astronomer Nicholas Copernicus change our understanding of the solar system?
What is the distance of a quasar from earth?
How long does it take for a typical star that has no more hydrogen to become a red giant?
What is the average thickness of the lithosphere?
Can gravity be an electromagnetic force?
An asteroid has an aphelion distance of 4.6 A.U. and a perihelion distance of 1.8 A.U. How do you calculate the orbital semi major axis, eccentricity, and period?
Has a spacecraft gone outside of the Milky Way Galaxy? If not, what is the farthest planet reached by a spacecraft?
How did Pangaea affect life?
What is the largest planet in our solar system?
How are the sun, moon, and earth positioned relative to each other during a new moon?
How big is the universe? is it infinite? if not, how does it end?