Hailey Alexander
Astronomy teacher | Tutor for 6 years
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Questions
Are there any other planets that would show phases like Venus does?
What distance method did Edwin Hubble use to determine the distance to local galaxies?
Why isn't Pluto a planet anymore?
Can light years be converted into earth years?
Is there another solar system in space beyond ours?
What is the order of the stellar spectral classes?
What happens to the wavelength of light as the frequency increases?
How far away is the closest black hole to Earth?
What are the differences between Elliptical, Spiral, and Irregular Galaxies?
Io, a satellite of Jupiter, has an orbital period of 1.77 days and an orbital radius of #4.22 X 10^5# km. From these data, how would you determine the mass of Jupiter?
What is the difference between a type I and type II supernovas?
Are black holes responsible for giving a galaxy its shape?
Is our solar system moving? If so, is our solar system being attracted closer to any other solar systems?
What are T Tauri stars?
What are the 10 planets names in order?
Is our universe expanding? Or does it only seem bigger because our ability to look further into the universe has grown?
How are seismic waves used to determine the structure of the earth?
Why is the Earth layered and how is each layer different?
How often does earth's axis complete a precession?
How is cosmology related to geology?