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Tag Archives: blog1
Some facts about the speed of light
The speed of light is 299,792,458 meters per second (186,282 miles per second), but this is not always the case. The speed of light, which is actually the highest speed that light can reach, has to be in a vacuum. In other cases, light actually slows down as it passes through different media. For instance, … Continue reading Some facts about the speed of light → Continue reading
Precession: How Will Life on Earth Differ With Summer in January?
Precession is often referred to as “orbital variation.” An easy demonstration of precession is a top spinning. As a top spins on a surface, it moves around in a circular or elliptical path. But while it moves, the direction of its tilt is also changing. The same is true for planets as they orbit stars. … Continue reading Precession: How Will Life on Earth Differ With Summer in January? → Continue reading
Blog 1: Total Solar Eclipse 2017
This image was made by the NASA Visualization Explorer to show the path of totality of the 2017 solar eclipse. A solar eclipse occurs when the moon passes between the sun and the earth. As the moon blocks the sun, it casts on a shadow on earth that travels west to east very quickly due … Continue reading Blog 1: Total Solar Eclipse 2017 Continue reading
Posted in Class, Moons
Tagged astro2110, blog1, Solar System
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Blog 1: Total Solar Eclipse 2017
This image was made by the NASA Visualization Explorer to show the path of totality of the 2017 solar eclipse. A solar eclipse occurs when the moon passes between the sun and the earth. As the moon blocks the sun, it casts on a shadow on earth that travels west to east very quickly due … Continue reading Blog 1: Total Solar Eclipse 2017 Continue reading
Posted in Class, Moons
Tagged astro2110, blog1, Solar System
Comments Off on Blog 1: Total Solar Eclipse 2017
Super Blue Blood Moon Blue Snow Super Blood Blue
Or something like that. Wow! On January 31st, 3 lunar events will coincide for the first time since March of 1866 resulting in the Moon appearing bigger, redder, and also bluer? This is what cool scientists call a “Super Blue Blood Moon.” When the Moon is at its perigee, the closest point to Earth in … Continue reading Super Blue Blood Moon Blue Snow Super Blood Blue → Continue reading
Posted in Observables
Tagged astro2110, blog1, lunar eclipse, Solar System: Moons
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How Fast Light Travels
We all know light travels fast, but do you know how fast it can be? The answer 299,792 kilometers in a second. The fact is, if you can travel as fast as light, you could go around the Earth seven and a half times in just one second. Theoretically, there is nothing runs faster than … Continue reading How Fast Light Travels → Continue reading
Faster than Expected
The universe is expanding faster than was originally expected. Just recently, NASA has adjusted the Hubble constant to 45.5 miles per second per megaparsec. This translates into a doubling of the size of the universe in 9.8 billion ears. AHHHH crazy! This adjustments is to correct for the increase in speed that the universe is actually … Continue reading Faster than Expected Continue reading
Andromeda and the Size of the Universe
In 2015, Hubble was able to take the most detailed image of Andromeda ever taken. The image had a pixel density of 69.536×22,230 pixels. The picture was taken using 7398 exposures. Images like this really put into light how vast the universe is. In the video, they focus in on a shot of the … Continue reading Andromeda and the Size of the Universe → Continue reading
Milky Way and Andromeda Collision
Surprisingly, our galaxy, Milky Way is expected to have a collision with another galaxy, called Andromeda. Even though the universe is expanding at every moment since its creation, the 2 galaxies, Milky Way and Andromeda are coming close to each other with an anticipated collision in about 4 billion years. Both galaxies are located … Continue reading Milky Way and Andromeda Collision → Continue reading
Milky Way and Andromeda Collision
Surprisingly, our galaxy, Milky Way is expected to have a collision with another galaxy, called Andromeda. Even though the universe is expanding at every moment since its creation, the 2 galaxies, Milky Way and Andromeda are coming close to each other with an anticipated collision in about 4 billion years. Both galaxies are located … Continue reading Milky Way and Andromeda Collision → Continue reading