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Daily Archives: March 22, 2022
Blog #4: Coronal Mass Ejections
Coronal Mass Ejections are ejections of solar wind and plasma from our Sun’s corona. The blast from a Coronal Mass Ejection (CME), carries about a billion tons of material away from the sun at speeds ranging from 250 km/s to almost 3000 km/s. (NOAA) If they are directed toward Earth when they are ejected from […] Continue reading
Binary Star Collision
Binary stars were stars orbiting each other, and they might eventually collide due to the stellar mass loss or gravitational radiation which caused the decay of orbits. Stellar collisions could be amazing and rare, which happened once every 10000 years in our globular clusters. It was very likely, from scientists’ approximation, that a binary star […] Continue reading
Posted in Class
Tagged astro2110, binary stars, blog4, Observation
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Composition of Planets within the Solar System
Different elements were occupied in different planets within the solar system. Mercury, Venus, Earth, and Mars were terrestrial planets made of rocks, which were composed of diverse metal elements including magnesium and aluminum. Specifically, mercury obtained a thin exosphere of oxygen, sodium, hydrogen, helium, and potassium. Venus consisted of an iron core and a carbon-dioxide […] Continue reading
Blog Post 4 Chicxulub Impact
The Chicxulub Impact happened approximately 66 million years ago, defining the end of the Cretaceous Period and the beginning of the Paleocene, as well as the end of the Mesozoic Era and the beginning of the Cenozoic Era. This impact not only managed to eradicate the dinosaurs as the dominant lifeform on the planet but […] Continue reading
Proxima: Our Cosmic Neighbor
The closest star to our solar system is one named Proxima Centauri. Proxima Centauri is a relatively small star, as it is a red dwarf star with about 12.5% the mass of the Sun and only about 0.17% as bright as the Sun. Proxima Centauri resides about 4.25 light years away from Earth, and is […] Continue reading
The Cassini Spacecraft
The story of the Cassini spacecraft is one of scientific discovery and self sacrifice. Cassini was launched in 1997 and spent 20 years in space, focusing on the planet Saturn, its moons, and its rings, before the spacecraft’s intentional demise in 2017. Through Cassini, we were able to land a probe on Titan, Saturn’s largest […] Continue reading
Posted in Class, SolarSystem
Tagged astro2110, blog3, cassini, saturn, spacecraft
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Theory of the Creation of the Moon
Over the decades, there have been many hypotheses made about how our Moon was formed. There are many possibilities that we can rule out simply due to the facts that we know about the Universe. Firstly, we know that the…
Posted in Moons
Tagged astro2110, astronomy, blog3, Solar System
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How Astronomy may harm Life on Earth
A new study by Nature Astronomy has tapped an estimate for the greenhouse gas emissions of the astronomy industry. Unfortunately, despite the fact that the global astronomy industry is much smaller than many other industries, its emissions are strikingly large. The number estimated by this study is a staggering 20 million tonnes of CO2 annually. […] Continue reading
Posted in General, Science
Tagged astro2110, blog4, climate change, Solar System, space, telescopes
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The Future of Fusion
While stars are powered by nuclear fusion, nuclear reactors here on Earth have yet to make that leap. Fission is our only readily available source of nuclear power, but it is significantly less lucrative than its counterpart. The difference is the process, which combines two isotopes of hydrogen to trigger an energy release instead of […] Continue reading