Lydia Allen
Seton Hill University
Astronomy
Astronomy teacher | Verified Expert
I hold a degree in Astronomy from Seton Hill University. My passion lies in unraveling the mysteries of the cosmos, igniting curiosity in students. With a deep understanding of celestial phenomena, I guide learners through the wonders of the universe. Whether it's explaining the intricacies of planetary motion or delving into the secrets of distant galaxies, I foster a love for astronomy in every student. Let's explore the cosmos together and unlock the wonders of the night sky.
Questions
Why do scientists say that the creation story is made up?
Is Venus bigger than the Earth?
Where is the Milky Way galaxy located in the universe?
- What is a black hole in space?
- What does the sky look like by a black hole?
- What is the atmosphere of planet Mercury?
- What is the temperature of the sun ?
- Does Earth's tilt change as it rotates around the sun?
- What is a constellation is and what determines when it is visible to us?
- What causes the outer shell of a star to expand after it leaves the main sequence?
- Who was considered the greatest astronomical observer?
- What is the order from smallest to largest:jupiter,moon,earth,universe,milkyway,solarsystem?
- How many kilometers equals one astronomical unit?
- If the observable universe is 13.8 billion light years in radius due to the finite speed of light in relation to the total time of the universe's existence, how fast is the observable universe expanding in total?
- Do any scientist doubt the Copernican cosmology?
- Once a star is fully formed, it becomes which type of star?
- What is the geocentric motion of the planets?
- How can astronomers determine a star's chemical composition?
- If the spectrum of a star indicates that the star shines with red light, what is the approximate surface temperature of the star?
- How long is Mercury's day?