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Tag Archives: darkmatter
Dragonfly Telescope
Telescopes are instruments used in the observation of distant objects by collecting electromagnetic radiation (Wikipedia). Because of their necessity for …
Posted in Class, Dwarf Planets, Instruments, Light
Tagged astro201, blog3, darkmatter, telescopes
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“Is Dark Matter Perfectly Dark?
Dark Matter is perhaps the universe’s greatest enigma. Matter that cannot be seen yet accounts for roughly 80% of universal …
Posted in Class, Universe
Tagged astro201, blog4, darkmatter
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Dark Matter vs Dark Energy
In my previous post, I wrote about dark matter and how we can infer its existence through gravitational lensing. Here, I will more fully explore what dark matter is and what dark energy is. Dark matter, as the name implies, is matter that is dark and cannot be seen. “Seen” here does not mean visible […]
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Posted in Physics, Universe
Tagged astro201, blog4, darkenergy, darkmatter
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Gravitational Lensing
Isaac Newton may be well known for his Law of Universal Gravitation, but the law has a fundamental flaw—it states that only things with mass can be affected by gravity. Photons, the quanta of light, have no mass, but we know that they are affected by gravity. One of the ways we can see how […]
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Posted in Light, Physics
Tagged astro201, blog3, darkmatter, gravitationallensing, gravity
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