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Monthly Archives: March 2022
Kepler Supernova
The image above is of Kepler’s Supernova, which Johannes Kepler is credited with discovering with his description of the stellar object in his De Stella Nova. As stars progress through their main sequence lifetime and beyond and use up more of their hydrogen in nuclear fusion, they can fuse heavier and heavier elements. More massive […] Continue reading
Legacy Survey of Space and Time: The future of astronomical observation is here…. almost!
Just two years from now, the Vera C. Rubin Observatory will commence operations, beginning its mission to image nearly 40 billion celestial objects over 10 years! These observations will be made with the world’s largest digital camera and an enormous 8.4 meter (in diameter) telescope, ensuring that its images will be of the highest quality. […] Continue reading
Posted in Instruments, Observables, Science, Stars
Tagged astro2110, blog4, technology
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Origins of the Solar System
It’s interesting to think about the formation of the solar system and how the gasses that originally created it are still a part of our solar system. The origins of the solar system can be explained by the nebular theory. The nebular theory suggests that our solar system was formed from the gravitational collapse of…Continue reading » Continue reading
The Martian: Scientifically Accurate?
The Martian is one of my favorite books, and the movie adaptation was fantastic as well (mild spoilers ahead). As someone who enjoys science and science fiction, I loved the realism and accurate technical problems that Mark Watney faces. The fundamentals of life on Mars—the time needed to travel there, delays and difficulties communicating withContinue reading “The Martian: Scientifically Accurate?” Continue reading
Nuclear Fusion
Nuclear fusion is a reaction between molecules where nuclei are combined to form different atomic nuclei and particles, releasing energy. This process powers main sequence stars through stellar nucleosynthesis. Stellar nucleosynthesis can only occur at extremely high temperatures in the cores of stars. Depending on the mass of the stars, i.e. the pressure and temperature […] Continue reading
Time Dilation
As with most impressionable children growing up, the fascination of space and the many wonders it holds stems from watching certain movies or television shows that help portray these wonders. I was no exception to this as I was completely awestruck when I watched Christopher Nolan’s brilliant film, Interstellar. Despite containing a masterfully crafted story […] Continue reading
The Likelihood of Getting Hit with a Gamma-Ray Burst
A gamma ray burst is expected to hit Earth every 10,000 years to 1,000,000 years. How would this affect human society as we know it, why are gamma rays so dangerous, and can we do anything to stop it? Gamma ray bursts are extremely energetic spouts of energy, and similar to visible light, are part […] Continue reading
Cool Parts of the Atmosphere of Venus
Composition of Venus’ Atmosphere 96.5% Carbon Dioxide 3.5% Nitrogen Venus lacks a magnetic field. Its ionosphere separates it from outer space and the sun’s wind. 4 Billion Years Ago it is assumed that the atmosphere of Venus was a lot like earth’s atmosphere. There could have been liquid water. The area 50-65 km above the […] Continue reading
Nuclear Fusion
Nuclear fusion is an incredibly interesting topic by which one of the most important parts of our solar system and cosmos utilizes constantly. In the core of our very own sun, hydrogen is converted into helium in a process known as nuclear fusion. In the sun and other stars, Nuclear Fusion reactions power this process […] Continue reading
Blog #3: Radioactive Decay and Radiometric Dating
Radioactive decay is one of the processes by which Earth produces heat. Radioactive isotopes start off unstable (these are called the parent isotopes), and so they decay into other, more stable daughter/progeny isotopes. The decay produces alpha, beta, or gamma radiation which is then converted into thermal energy. The decay of isotopes like uranium, thorium, […] Continue reading
Posted in Class
Tagged astro2110, blog3, geology, technology
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