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Category Archives: Class
Far Out, Man
Telescopes laid the foundation for everything we know about space, but they can only get you so far. If you don’t particularly feel like removing the planet’s entire atmosphere to get a better view, spacecrafts do a pretty good job of getting a closer look. Flyby spacecraft are the simplest and least expensive; they can […] Continue reading
Posted in Class, Science
Tagged astro2110, blog3, Observation, spacecraft
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Understanding Auroras: The Physics of Earth’s Magnetic Light Shows
The Northern Lights The northern lights, or aurora borealis, is a display of natural light that occurs in the Earth’s sky. What you might not know is that there is another light show on Earth called aurora australis, which occurs in the southern hemisphere. So, what causes these natural and captivating lights? Solar winds are […] Continue reading
Natural Ozone Formation
In the history of life on Earth, ozone has played an incredibly important role. For much of the early history of life, the atmosphere contained little oxygen, slowly being replaced by carbon dioxide through photosynthesis. It wasn’t until a critical mass of this CO2 was replaced that animal life could venture onto land. This is […] Continue reading
The Role of Radioactive Decay in Earth’s Internal Heat
Image: Cross Section of Earth As we have learned, the cause of seasons is the directness of sunlight a particular region of the Earth receives. What you may not know is that the sun is not the only source that heats up the Earth. The Earth actually internally generates its own heat through radioactive decay. […] Continue reading
Asteroid Mining
As we know, the Earth’s resources are finite. There are only so many materials and metals that we can extract from Earth before it runs out. To help combat this problem, a new solution was envisioned, asteroid mining. What asteroid mining would do is collect precious metals from asteroids near Earth. Some of these include […] Continue reading
Why Stars?
Throughout history, many civilizations have been fascinated by the stars in the night sky. But the question is why. Why have many civilizations been fascinated by stars? What makes the night sky so attractive to humans? Why did they ascribe meaning to tiny dots that shone brightly, and seemed so far away? I present the […] Continue reading
Nuclear Fusion
We know that the Sun is extremely hot. Its surface temperature is 5,500 K. Temperature is a measurement of energy. So, we know that the Sun possesses huge amounts of energy. Where does that energy come from? How does the Sun create that much energy? Through a process called nuclear fusion, the Sun manages to […] Continue reading
The Journey Back to the Moon
Hello everyone! Almost spring break! Isn’t it bonkers to think that we first sent human beings to the Moon in 1969? That’s 54 years ago! In that time, we have made such large strides in technology. Finally, there are plans to go back soon! NASA is working hard on its Artemis campaign. This campaign aims […] Continue reading
The Golden Record
Aboard Voyager 1 and 2 there sits a golden record. This golden record contains anything NASA thinks is important to understanding humanity. The record contains both photos and images. The golden record fascinates me so much because of what they chose to put on it. First, they needed a way to communicate how to play […] Continue reading
Blog 4 – Weather vs. Climate
There is often a lot of confusion when we talk about weather versus climate, and the impact both have on our planet. Many people who deny climate change/global warming do so because they are confused between weather and climate. I had a teacher in high school who told my class that climate change wasn’t real, […] Continue reading