Ask the Chatbot Games & Quizzes History & Society Science & Tech Biographies Animals & Nature Geography & Travel Arts & Culture ProCon Money Videos
Astronomia Nova
Directory
References
Discover
Nativity Scene, Adoration of the Magi, Church of the Birth of the Virgin Mary, Montenegro
Why Is Christmas in December?
Panama Canal infographic
Timeline and Map of the Panama Canal
Srinivasa Ramanujan, Indian mathematician and autodidact.
6 Interesting Facts about Srinivasa Ramanujan
Hemp (Cannabis sativa).
9 Mind-Altering Plants
Saint Lucia Day. Young girl wears Lucia crown (tinsel halo) with candles. Holds Saint Lucia Day currant laced saffron buns (lussekatter or Lucia's cats). Observed December 13 honor virgin martyr Santa Lucia (St. Lucy). Luciadagen, Christmas, Sweden
7 Winter Solstice Celebrations From Around the World
Watergate scandal. Richard M. Nixon. President Nixon gives a press conference and talks to the press, March 12, 1971.
9 American Political Scandals
Fish. Lionfish. Lion-fish. Turkey fish. Fire-fish. Red lionfish. Pterois volitans. Venomous fin spines. Coral reefs. Underwater. Ocean. Red lionfish swims by seaweed.
10 of the World’s Most Dangerous Fish

Astronomia Nova

work by Kepler

Learn about this topic in these articles:

history of astronomy

  • Hubble Space Telescope
    In astronomy: Kepler

    …of planetary motion, published in Astronomia Nova (New Astronomy, 1609). According to the first law, the paths of planets are ellipses with one focus located at the Sun. The second law, which was actually discovered first, makes a small improvement on Ptolemy’s equant: a planet moves around the Sun at…

    Read More