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Dark Energy
Accelerating the Expansion of the Universe

Gravitational Waves
Disturbances in the Fabric of Spacetime

Black Holes
Almost Every Galaxy Has One

The Meaning of Light and Color
Using Color as a Tool to Convey Information

The Electromagnetic Spectrum
More to Light than Meets the Eye

Spectroscopy: Reading the Rainbow
An image tells us what something looks like; a spectrum tells us what it is.

The Big Bang
How the Universe Sprang into Existence

Gamma-ray Bursts
Exposing the Origins of the Brightest and Most Energetic Explosions Known

Gravitational Lensing
Looking Through a Giant Magnifying Glass

Hubble Deep Fields
Exposing the History of Galaxy Development

Observing Ultraviolet Light
How to detect and analyze shorter, higher energy wavelengths of light
