Category Archives: Class

Historical Astronomers in Context: Galileo Galilei

Posted on February 2, 2023 by 7smessier45

The Astronomer Born in late 16th century Italy, Galileo Galilei (February 15, 1564 – January 8, 1642) went on to make fundamental contributions to STEM fields and laid the foundations for the scientific revolution. In the field of astronomy, he improved upon existing designs for the telescope. Galileo’s improvements made the tool much more powerful […] Continue reading →

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To Be Circular, or Elliptical: That Was Kepler’s Question

Posted on February 1, 2023 by Europa

Johannes Kepler was an astronomer and mathematician best known for his development of the three laws of planetary motion. The first reflected a major upheaval in astronomical thought at the time: that planetary orbits are elliptical, with the Sun located at one of each orbit’s two foci, rather than perfectly circular. The second is that […] Continue reading →

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Who is The Rocket Man?

Posted on January 26, 2023 by Rocket Man

The Rocket Man came from a galaxy far far away. He came down to earth to study Astronomy. He is in Dr. G’s class at present. What is The Rocket Man’s favorite star? The Rocket Man likes Astronomy because Astronomy has made it possible for him to make it to the planet earth. His favorite […] Continue reading →

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The Cosmic Calendar 🪐

Posted on January 23, 2023 by lightwyrs

“We humans appear on the cosmic calendar so recently that our recorded history occupies only the last few seconds of the last minute of December 31st.” -Carl Sagan The Cosmic Calendar is a concept presented by famous astronomer Carl Sagan. In this diagram, the 13.8 billion year history of the universe is condensed into a […] Continue reading →

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We Were the Closest To the Moon than We Have Ever Been

Posted on January 23, 2023 by thisisntzenon

As a child, I spent a considerable time looking at the Moon, and at one point, I may have even believed it was my friend. From the backseat of many late-night car rides, it “followed me”. In fact, during this period, my mornings consisted of watching Bear in the Big Blue House and the character […] Continue reading →

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The “Ten”ets of the Universe

Posted on January 22, 2023 by oilrigatoni

Our brains struggle to comprehend the magnitude of our universe. We make comparisons based on that which we can see, yet it is totally inadequate to what reality holds. For example, the average person is just under 2 meters tall. But their size of the Earth when compared to that is substantial. The mean diameter […] Continue reading →

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The Ultimate Race

Posted on January 22, 2023 by jackdoyle25

We take it for granted that the speed of light is the universal speed limit; nothing can go faster than light. The knowledge of light-years is crucial to understanding the images that we see in the night sky. These images are not of the celestial bodies as they currently exist, but as they once were, […] Continue reading →

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The Incredible Size of Our Universe

Posted on January 22, 2023 by sahilreddy2

The image above is an artist’s illustration of everything in the observable universe. I find this image very interesting as it shows the scale increasing starting with our solar system and going out to galaxies, superclusters, our local group and further. This makes me realize how small we truly are in comparison to the universe […] Continue reading →

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We Already Have a Time Machine

Posted on January 22, 2023 by araceal

People say time traveling doesnt exist. They are skeptical we are able to break every law of physics we grew up learning. But, if we really think about it, we have a time machine right in front of us: a telescope. What is a light year? Don’t be confused with the word ‘year’ being in […] Continue reading →

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Up Above The World So High

Posted on January 22, 2023 by reachforthestarsbysam

A blog about observing the night sky over and over. Wanna read more on this long-exposure picture? Click here! Through reading the textbook this past week, I was enlightened about what it would be like to observe the night sky hour after hour, night after night, and year after year. Before taking this course (and one […] Continue reading →

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