Author Archives: jasonljohnson465

The Sun

Posted on October 20, 2024 by jasonljohnson465

The most important object in our Solar System. Image from NASA According to NASA, our Sun is a 4.5 billion year old yellow dwarf star composed of Helium and Hydrogen. It is the largest object in the Solar System with a diameter of about 1.4 million kilometers. The hottest part of the Sun is its […] Continue reading →

Posted in Sun | Tagged , , | Comments Off on The Sun

Retrograde Motion

Posted on September 23, 2024 by jasonljohnson465

Diagram of Retrograde Motion Retrograde motion is when the motion of a planet seems to reverse direction in the sky. The name of this phenomenon is derived from the Latin word retrogradus, which means “going backward.” This motion, however, is purely an illusion as the planet’s motion does not actually change and start moving backward […] Continue reading →

Posted in Observables | Tagged , , , , | Comments Off on Retrograde Motion

Historical Astronomers in Context

Posted on September 16, 2024 by jasonljohnson465

I chose the Astronomer Isaac Newton. Photo of Sir Isaac Newton Historical Events: The End of the English Civil War: It ended on September 3rd, 1651 with Oliver Cornwall’s victory at Worcester. It was a war that occurred in the British Isles between the supporters of Charles I and opposing groups in each of Charle’s […] Continue reading →

Posted in Historical, Science | Tagged , , , , | Comments Off on Historical Astronomers in Context

Solstices and Equinoxes

Posted on September 3, 2024 by jasonljohnson465

Diagram of the Equinoxes and Solstices from Article from The Conversation about what a Solstice is What are the Solstices and Equinoxes? As stated in The Cosmic Perspective by Jeffrey O. Bennett, they are terms used to define one of four specific moment in the year that mark the changing seasons—as depicted above in the […] Continue reading →

Posted in Class | Tagged , , , | Comments Off on Solstices and Equinoxes

Hello, this is my blog

Posted on August 29, 2024 by jasonljohnson465

This is my blog for my astronomy class about the solar system. While there aren’t any black holes in our galaxy, I used to be obsessed with them back in elementary school.

Here is a hyperlink to a website that kind of freaked me out when I was… Continue reading →

Posted in Class | Tagged , | Comments Off on Hello, this is my blog