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Monthly Archives: March 2013
GRAIL Maps the Gravity of the Moon
Twin NASA probes orbiting the moon for the Gravity Recovery and Interior Labority (GRAIL) mission have created the most highly detailed gravity field map of any celestial body. Pictured above, this map reveals an abundance of features includ… Continue reading
Posted in Instruments, Moons, Space Travel
Tagged astro201, blog5, gravity, Moon, Solar System, spacecraft
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The Carrington Event
Imagine that it’s 1am and you’re lying in your bed, when suddenly it begins to get lighter out–as if the sun is already rising. Birds are chirping, men are waking up confused, and aurorae can be seen in skies across the entire world. This phenomenon is what people around the world experienced on the morning […]
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“The Incandescent Sun”
Source Check out this video from NASA of the Sun over a 24-hour period of time! The video frames are measuring output in extreme ultraviolet. According to this article, viewing the Sun in this wavelength allows us to view the plasma in its atmosphere (called Corona). But what is interesting is that the same magnetic […]
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Posted in Light, Sun
Tagged astro201, Astronomy Thoughts, blog5, NASA, Observations, size and scale, solar flare, The Core, The Sun, Time, ultraviolet, wavelengths
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Nuclear Fusion and the Stars
Nuclear fusion, the process by which two atoms collide to form a single larger atom, has been fueling stars since the beginning of star formation. At most distances apart, two protons will naturally repel each other due to the fact that both are positive charges, and the Electromagnetic force between them pushes them apart; however, […]
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Mars Colonization: Would You Go?
A recent survey by the Huffington Post found that 7% of people would volunteer for a one-way mission to Mars. It also found that 15% of people thought it was somewhat or very likely that humans would establish a colony on Mars within their lifetime. If a colony was established, there was a lot of […]
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Posted in Space Travel, Terrestrials
Tagged astro201, blog6, Mars, Solar System
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Exploring Climate Change in Google Earth
The video below is an introduction to a series of videos that utilize Google Earth to inform viewers of problems involving climate change and global warming. The “tours” can be downloaded here. These tours are very informative and allow the user to pause them to explore the Google Earth content on their own. I think […]
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Posted in Outreach, Terrestrials
Tagged astro201, blog5, climatechange, Solar System
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So, what exactly is the Higgs Boson?
Now, I’m not going to pretend that I know as much about the now famous Higgs Boson as the scientists at CERN, but I do have a conceptual understanding of what it is and why it is important. The Higgs Boson used to the only piece of the standard model of particle physics that we […]
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Posted in Physics
Tagged astro201, blog6, higgs, higgsboson, particlephysics
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Kepler’s Supernova
In 1604 Johannes Kepler discovered a supernova explosion. Today, scientists are working to discover what caused the explosion and they are using a Digitized Sky Survey to determine it. The picture above shows colors from an X-Ray Observatory that concludes the supernova has low, intermediate and high energy. Scientists believe this explosion was caused by […]
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Posted in Class, Historical, Observables
Tagged astro201, blog6, supernova
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Trous Noirs And trous noirs
For an explanation of the title, see the link at the end. If you are seriously, irreconcilably frustrated by your significant other (or lack thereof) and you never want to see your significant other (or yourself) ever again, please accept a sincere piece of advice from me: Do not- I repeat: DO NOT throw them(or yourself) in […]
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Posted in Physics, Science
Tagged astro201, black hole, blog6, dilation, general relativity, Observation, spacetime, Speculation
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Relativistic Doodles
This post explains how my illustration of general relativistic time dilation works. This is the parent post. Here is an image of a simple classical timeline: There are 2 observers: green and red. They have their own watches. The red observer shoots an arrow towards the green observer. The position of the arrow vs. the […]
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Posted in Physics
Tagged black hole, dilation, distortion, general relativity, gravity, Observation, Time, timeline
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