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Isis10
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isis10 Pulsing Cepheid stars reveal the vast distances of deep space.
isis10 CMB Dipole Anisotropy
We're cruising through the oldest light, flying hundreds of kilometers a second.
isis10 Spin the cosmic speedometer to learn how math measures the expansion of the early universe.
isis10 Matching galaxy distances with redshifts formulated Hubble's Law, v = H0 * d, proving that farther galaxies recede
Cosmic sirens: Light stretches to red as space expands, making distant galaxies look redder than they actually are.
isis10 A glowing cosmic rainbow stretches into long red wavelengths across a dark screen.
What happens to the wavelength of light from a galaxy that is moving away from Earth?
In Edwin Hubble's famous equation v = H0 * d, what does the letter 'v' stand for?
Which Belgian priest and physicist mathematically proposed the expanding universe theory in 1927?
What celestial objects did Henrietta Swan Leavitt study to establish the first cosmic distance ladder?
What physical phenomenon causes a passing siren's pitch to drop, which is mathematically similar to light redshift?
What did Albert Einstein initially add to his equations to force the universe to mathematically stand still?
Around which decade did astronomers first obtain mathematical proof that the universe is actively expanding?