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Physics & Astronomy Facts

The diagram at right shows the changes in the rate of expansion since the universe
Dark Energy Changes the Universe

Dark energy has the cosmoslogists scratching their heads. Observations taken by NASA's Hubble Space Telescope and future space telescopes will be needed in order to determine the properties of dark en ...
This actual Hubble image of Quaoar is a sum of sixteen separate exposures made with Hubble
The Kuiper Belt

The Kuiper (pronounced Ki-Per) Belt is often called our solar system's 'final frontier.' This disk-shaped region of icy debris is about 12 to 15 billion kilometers (2.8 billion to 9.3 billion miles) f ...
Lasers are really useful tools for making measurements.
How Lasers Work

Light is a fascinating thing. Or things, as the case may be. Electromagnetic energy that our eyes have developed to see, light has the same behavior and properties as all other electromagnetic radiati ...

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