The Hubble telescope is 25 years old, and in that time it has revolutionized our understanding of the cosmos.
Heart of the Matter
Einstein’s last paper of 1905 gave us his most famous equation, and led us to a true understanding of the stars.
Lunchtime Doubly So
How Einstein used the invariant speed of light to overturn a view of space and time that had stood for centuries.
Bit by Bit
Einstein’s solution of the photoelectric effect was to propose that light is made of photons. His work ushered in the age of quantum theory.
Shake, Rattle and Roll
Einstein’s theory of Brownian motion gave atoms an experimental footing, and brought together Newtonian mechanics with chemistry and thermodynamics.
Wonder Year
In 1905 Einstein published four papers that revolutionized science. For this reason 1905 is sometimes called Einstein’s wondrous year.
From Heaven to Earth
Determining your position on Earth used to be an astronomical problem, and the discovery of Jupiter’s moons made that task much easier.
Yuri’s Night
In 1961 Yuri Gagarin became the first human to travel to space. Since then “Yuri’s night” has inspired dreams of even grander human space missions.
What’s Your Sign?
The Zodiac constellations began as a tool for astrologers. They are now astronomical constellations.