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Tag Archives: blog1
Just what exactly can we call “big”?
The Universe is almost like a magician in a way. Just when us puny humans seem to grasp an aspect of its nature (or pretend to anyway), it laughs at us and shows us a glimpse of something that leaves us in awe of its vastness. Take a look at this picture above you. Only […] Continue reading
Feeling a Bit Slow?
Look in any physics textbook and the speed of light will be listed: approximately 300,000,000 meters per second. That’s a big number, but what exactly does it mean? Well, to […] Continue reading
Near Speed of Light Travel in the Atmosphere
When physics classes learn about relativity, typical problems involve calculating relative velocities, masses, or distances for objects moving near the speed of light, 3 * 10^8 m/s. These objects might be objects like spaceships, travelling in outer space, but they are often more common objects like cars and trains, or even baseballs. The two different […] Continue reading
Posted in Light, Physics, Space Travel
Tagged astro201, baseball, blog1, speedoflight, xkcd
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So about those New Year’s resolutions…
Right we are about a month into the New Year. Actually by now you have probably already given up on those New Year’s resolutions that you set with such fervor just 25 short days ago. And despite what us seniors may think—no matter how many things are left on our Vandy bucket list—the world does […] Continue reading
Posted in Universe
Tagged astro201, blog1, cosmic calendar, the new year, Time
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The Cosmic Calendar
Although I doubt it will ever be entirely possible to comprehend the enormity of an amount of time as great as 13.7 billion years, I’ve found the Cosmic Calendar to be […] Continue reading
Posted in Class
Tagged astro201, blog1, cosmiccalendar, school, Uncategorized
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The Cosmic Calendar
This image was taken from the personal blog of Michael Arney. It is an image of the explanation that the famous astronomer Carl Sagan gave to enable the public to grasp “the immensity of time” and the Cosmic Calendar. In … Continue reading → Continue reading
Posted in General, Universe
Tagged astro201, blog1, cosmiccalendar
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King of the Galaxies
It’s hard to imagine things on a galactic scale. I have trouble just picturing how big the Earth really is. Now try imagining something larger than Earth, larger than the Solar System, and larger than our entire galaxy. That’s this guy, NGC 6872. It’s a spiral galaxy five times the larger than the Milky Way. It […] Continue reading
#B1 Cosmic Calendar
This video put the extensive history of the universe into perspective. Our history as humans that we take years of education to understand are so minuscule compared to the creation of the universe. In our society, we are so focused … Continue reading → Continue reading
Perspective of the Cosmic Calendar
What do you think of when someone mentions the word old? Turning 21, grandparents, black and white photos? Maybe even cave men or the dinosaurs? However, all these things are insanely young on the cosmic scale! If you were to take the time from the creation of the universe until present day and squeeze it all into […] Continue reading
Posted in Class
Tagged astro201, blog1, cosmiccalendar
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The Cosmic Calendar
A concept that “wowed” me from these first couple weeks of material was the Cosmic Calendar. Our universe has a lifetime of 13.7 billion years, which is scaled into a year-long calendar. The cosmic calendar is a way to scale … Continue reading → Continue reading