


Asher Cohen
Astronomy teacher | Verified Expert
With a passion for unraveling the mysteries of the cosmos, I specialize in astronomy. My journey led me through the halls of Winthrop University, where I delved deep into the wonders of celestial bodies. Equipped with a profound understanding of the universe, I'm here to guide you through the vastness of space and inspire a love for exploration. Let's navigate the cosmos together, answering your questions and igniting curiosity along the way.
Questions
Does the moon have hemispheres?
How many times larger is the sun compared to the moon?
How can there be a finite number of galaxies in the universe?
What is the main reason why astronomers think that quasars are black holes?
Why are galaxies accelerating away from each other?
How old are stars in galaxy?
What are the dimensions of our universe in meters?
What phenomenons on earth are caused by the tilt of the earth's axis?
With Hubble's Law in mind, how can we assume that the velocity of receding galaxies has always been constant?
Why did life originally begin in the ocean?
What is the name given to the path of the Earth as seen from the sun?
How many natural satellites does the earth have? What are their names?
What is the Chandrasekhar limit?
What are characteristics of the lithosphere?
How was the atmosphere of the Earth formed?
How are seismic waves used to determine the structure of the earth?
Why is a red giant star big?
Is the universe 2D or 3D?
Why does the earth spin at an angle?
How many suns exist in the universe?