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Author Archives: graceward02
blog post 08
This class opened my eyes to some really cool astronomy subjects. Astronomy is a subject that I never really got the chance to study in grade school. Since coming to college, and learning more about our universe, my perspective on life has changed. Learning about how vast our universe is, how our solar system formed, […] Continue reading
Posted in Class, General
Tagged astro2110, blog8, Class, cosmic calendar, crab nebula, culmination, General, Uncategorized, what I learned
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blog post 07
The Fermi Paradox is the conflict between the lack of evidence of extraterrestrial life and high estimates for its existence. The main explanation people have come up with for this paradox is that intelligent life is rare. Using this explanation, it makes sense why there would be many places with rudimentary life, but without intelligent […] Continue reading
Posted in Aliens, Class, General, Observables
Tagged aliens, astro2110, blog7, Class, fermi, Fermi Paradox, General, Observables
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blog post 06
In 2019, researchers captured the first image of a black hole. They were able to do this by having all the major radio telescopes on Earth act together to simulate a radio telescope that was the size of Earth. Before this, we could only see indirect evidence of the existence of black holes. This particular […] Continue reading
Posted in Historical, Observables
Tagged astro2110, Black Holes, blog6, Historical, Observables, telescopes
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blog post 05
In 2006, Pluto was taken off the list of planets, leaving our Solar System with just 8 planets. This demotion occurred 76 years after Pluto was initially added to the list of planets. This decision by the International Astronomical Union (IAU) defined what objects could be classified as a planet. An object needs to be […] Continue reading
Posted in Historical, Observables, Science
Tagged astro2110, blog5, Historical, Observables, planet, pluto, Science
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blog post 04
Many people have traveling to see the Northern Lights on their bucket lists. This unique phenomenon typically occurs near the Arctic Circle, with places like Finland advertising tourist expeditions to see them. The Northern Lights, otherwise known as aurora, occur when ions from solar winds collide with atoms of different elements (oxygen, nitrogen) in Earth’s […] Continue reading
Posted in Class, Observables, Science
Tagged astro2110, Aurora, blog4, Class, northern lights, Observables, Science
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blog post 03
Nuclear fusion reactions power stars. In nuclear fusion, 2 atoms’ nuclei merge and form a heavier single nucleus. The leftover mass becomes energy. In stars like the Sun, this is generally the transformation of Hydrogen to Helium (proton-proton chain). Other, more massive stars, use the CNO cycle (uses more elements) to accomplish energy transformation. The […] Continue reading
blog post 02
NASA’s James Webb Telescope was launched on December 25, 2021. It is a collaborative effort between NASA (United States), The European Space Agency, and the Canadian Space Agency. This telescope has four main areas where its data will be used: considering the first light in the universe, early assembly of galaxies in the universe, birth […] Continue reading
Posted in Class, General, Historical, Observables, Science
Tagged astro2110, blog2, Class, General, Historical, James Webb Telescope, NASA, Observables, Science, telescope
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homework #2
Historical Astronomers in Context by Grace
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blog post 01
Solstices and Equinoxes The winter/summer solstices are, respectively, the shortest and longest periods of sunlight during the calendar year. The vernal/autumnal equinoxes are days in which the amount of time the day has with sunlight and without are of equal length. Days that are solstices/equinoxes demonstrate the formal change in seasons. This occurs because the […] Continue reading
introduction
Hi! My name is Grace Ward and this is the beginning of my astronomy blog. I got to see the total solar eclipse that happened in Tennessee a few years ago. Since then, I have been fascinated by astronomy. I remember being surrounded by people in awe of the eclipse, how dark it got outside, […] Continue reading