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Author Archives: berlinbe
Post 4
Scientists often try to determine the age of various bodies in the solar system. The Earth and moon are around 4.5 billion years old, and the sun is around 4.6 billion years old. But how do scientists know this? And how confident are scientists in these ages? Scientists use radiometric dating to accurately date different […] Continue reading
Post 3
The sun produces energy via nuclear fusion—that is, it fuses two atoms into one, releasing a tremendous amount of energy in the process. The most common form of fusion in the sun is when hydrogen atoms are fused into helium—giving off energy in the process due to the lost mass. This is the most efficient […] Continue reading
Post 2
Astronomy is a science. This means that in astronomy we make predictions, test hypotheses, and use findings to continuously build and refine our theories. Interestingly, astronomy was very likely the first science. Humans, ever since the ancient civilizations, have looked to the sky and pondered its mysteries. What use would such people have in astronomical […] Continue reading
Historical Astronomers in Context
Nicholas Copernicus was a Polish astronomer who was born on February 19,1473 and died on May 24, 1543. Copernicus was important to astronomy because he formulated and popularized the idea that the Sun, rather than the Earth, was the center of the “universe.” He also accurately described how Earth’s rotation was the cause of sunrise […] Continue reading
Posted in Historical
Tagged astro2110, Copernicus, Historical, HW2
Comments Off on Historical Astronomers in Context
Post 1
Like other electromagnetic particles, light has a specific velocity at which it travels. Further, it is presumed to be the fastest theoretical speed of any particle. The speed of light–referred to as “c” in a vacuum–is roughly 300,000,000 m/s. Since it moves so fast, most people never observe light as a moving particle or something […] Continue reading
Introductory Post
Hello, My name is Ben Berlin and this blog is where I’ll be sharing my thoughts during my time in ASTR2110. Here is my favorite astrological image: Continue reading