Author Archives: 20harriganc

The End of an Era

Posted on May 4, 2021 by 20harriganc

Sadly, this will be the last post of the solarblogdotcom. Through out theses posts we have explored many of the amazingly interesting topics of the solar system. Although the picture above shows the Galaxy, It is still a great photo to end on, because you never truly know whats out there until you look forContinue reading “The End of an Era” Continue reading →

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Drake Equation

Posted on May 4, 2021 by 20harriganc

The Drake equation is an equation that helps find out the possibility of alien civilizations. As shown above the N represents the number of civilizations with advanced technology through out the milky way. The equation is particularly interesting because depending on the person, you can find out if the person is a pessimist or anContinue reading “Drake Equation” Continue reading →

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Galaxies

Posted on April 20, 2021 by 20harriganc

Galaxies are cosmic Islands of stars, gas, dust and dark matter. They span across very long distances and they are held together by gravity. There are multiple types of Galaxies as shown in the the photo above. The word galaxy is derived from the greek word “galaxias”. It means milky, which is a direct referenceContinue reading “Galaxies” Continue reading →

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Kuiper Belt Objects

Posted on April 20, 2021 by 20harriganc

The Kuiper Belt is a region in the solar system beyond the orbit of Neptune as shown in the photo above. Although they have only scratched the surface, there has been about 2,000 objects discovered so far in the Kuiper belt. It is said to be filled with bits of rock and ice, along withContinue reading “Kuiper Belt Objects” Continue reading →

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Space Travel

Posted on March 22, 2021 by 20harriganc

In 1961, Alan shepherd became the first american astronaut in space who was trained and sent to space by NASA. 2 years ago marked the 60th anniversary of NASA and their endeavors into space. During those years, they have sent over 350 people into space and the number will only keep going up. I thinkContinue reading “Space Travel” Continue reading →

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Radioactivity

Posted on March 22, 2021 by 20harriganc

Radioactivity can be described by radio active decay. The ultimate goals of the atom are to become stable, and when the numbers of protons and neutrons are not ideal, they release some of them. This is the atom changing the nucleus to a new nucleus, which is known as radioactive decay. A half-life is aContinue reading “Radioactivity” Continue reading →

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Wanderers of Space

Posted on February 27, 2021 by 20harriganc

In this post we will talk about the concept of retrograde motion. If you watch the movement of planets, it is actually quite complex. The word planet comes from a greek term meaning “wandering star”. Planets typically move eastward throughout the constellations. When there is apparent retrograde motion the planets are moving westward throughout theContinue reading “Wanderers of Space” Continue reading →

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The Cosmic Calendar

Posted on February 6, 2021 by 20harriganc

The Cosmic Calendar was created to help visualize the chronology of the universe. It takes the 13.8 billion year history of the universe and scales it to 1 year. I think it is a great concept because it really helps to put in perspective how long the universe has been around. To think that ChristContinue reading “The Cosmic Calendar” Continue reading →

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First Post!

Posted on February 1, 2021 by 20harriganc

It will be very interesting to learn about the Universe. This picture represents the vastness of my curiosity for the universe. My name is Caleb Harrigan and I am a freshman. I am a double major in HOD and Computer Science and I can’t wait f… Continue reading →

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