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Tag Archives: blog4
Blog 4: Systema Cosmicum
History Channel Portrait of Galileo Galileo was one of, if not the most revolutionary astronomer of all time. He lived at a point where the Catholic Church controlled a large section of public and private life, but they were also seeing their power wane through the Protestant Reformation, championed by Martin Luther (among others). The […] Continue reading
Blog #4
Composition -The solar system is primarily composed of the Sun, which makes up about 99.8% of its total mass. The Sun is primarily composed of 74% hydrogen and about 24% helium with some amounts of heavier elements. Planets in our solar system are divided into two main groups based on their composition: the terrestrial planets […] Continue reading
Blog 4
In first grade, I was really mad. Honestly, I was INFURIATED. I had just heard that they had officially reclassified Pluto as a dwarf planet. For me, that meant that the pneumonic device I learned from my Dr. Suess’ book was a complete lie. In reality, the reclassification of Pluto was much more informative and […] Continue reading
Kepler-452b
Kepler-452b is an exoplanet about 15 light-years away from us. It is notable because it is the most Earth-like planet that has been discovered so far. It is 60% larger than Earth, which is certainly significant, but it has an orbit that lasts 385 Earth-days, and it orbits only 5% further from its star than […] Continue reading
Sideways Wonder, Uranus
Aside from being named after Jupiter’s progenitors rather than his offspring or contemporaries, Uranus has the obvious distinction from having its axis be almost horizontal, meaning it rotates on its side like a wheel rather than like a top, possibly due to a drastic collision it suffered while forming that it never bothered to correct. […] Continue reading
Crazy Stars
Stars like our Sun are considered “ordinary” and quite common. They produce energy through hydrogen fusion. A weirder type of star is a white dwarf. These are stars that at one point produced energy through hydrogen fusion, but have run out of hydrogen, and do not have the mass to carry out fusion energy reactions […] Continue reading
Crazy Stars
Stars like our Sun are considered “ordinary” and quite common. They produce energy through hydrogen fusion. A weirder type of star is a white dwarf. These are stars that at one point produced energy through hydrogen fusion, but have run out of hydrogen, and do not have the mass to carry out fusion energy reactions […] Continue reading
So what is a Black Hole?
by me A black hole is an astronomical object in space where the gravitational pull is so strong that nothing can escape from it, including light. The “surface” of a black hole is known as the event horizon. Black holes are undetectable by telescopes because no light can escape from them; However, they can be […] Continue reading
Posted in Class, Science, Universe
Tagged astro2110, black hole, Black Holes, blog4, NASA
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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
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