Search space history

7,076 matching records

1. 1645 CE to 1715 CE 381 years ago

   Maunder Minimum

   Solar observations show an extended period with unusually few sunspots.

2. 1687 CE 339 years ago

   Newton publishes the Principia

   Newton’s Principia presented laws of motion and universal gravitation.

3. 1705 CE 321 years ago

   Halley predicts a comet’s return

   Edmond Halley linked earlier comet apparitions and predicted a future return of the same object.

4. 1707 319 years ago

   Leonhard Euler: birth

   Category: Organizations and People › Type: Birth

   • Mathematics

   Role: Mathematician

   Leonhard Euler: birth.

5. 1718 CE 308 years ago

   Halley reports stellar proper motions

   Comparing stellar positions across centuries, Halley showed that some apparently fixed stars move.

6. 1724 CE to 1734 CE 302 years ago

   Jai Singh II builds masonry observatories

   Five Jantar Mantar observatories supported positional astronomy in northern India.

7. 1727 299 years ago

   Isaac Newton: death

   Category: Organizations and People › Type: Death

   • Astronomy
   • Mathematics

   Role: Scientist, Mathematician

   Isaac Newton: death.

8. 1750 CE 276 years ago

   Thomas Wright publishes a model of the Milky Way

   Wright explained the Milky Way’s appearance in terms of a structured distribution of stars.

9. 1758 268 years ago

   Predicted return of Halley’s Comet observed

   Category: Natural Celestial Events › Type: Comet appearance

   Johann Georg Palitzsch detected the returning comet whose reappearance Halley had predicted.

10. 1781 245 years ago

    Uranus discovered

    Category: Discoveries and Scientific Results › Type: Discovery

    William Herschel observed the object subsequently recognized as the planet Uranus.

11. 1783 243 years ago

    Leonhard Euler: death

    Category: Organizations and People › Type: Death

    • Mathematics

    Role: Mathematician

    Leonhard Euler: death.

12. 1797 229 years ago

    Mary Shelley — birth

    Category: Organizations and People › Type: Birth

    • Science fiction
    • Science fiction literature

    Role: Science fiction writer

    Mary Shelley — birth (1797-08-30).

13. 1801 225 years ago

    Ceres discovered

    Category: Discoveries and Scientific Results › Type: Discovery

    Giuseppe Piazzi discovered Ceres, the first recognized asteroid and now classified as a dwarf planet.

14. 1802 CE 224 years ago

    Dark lines observed in the solar spectrum

    William Hyde Wollaston noticed dark features in dispersed sunlight.

15. 1815 211 years ago

    Ada Lovelace: birth

    Category: Organizations and People › Type: Birth

    • Mathematics
    • Computing

    Role: Mathematician, Computer scientist

    Ada Lovelace: birth.

16. 1817 CE 209 years ago

    Fraunhofer investigates solar spectral lines

    Joseph von Fraunhofer labeled and systematically studied dark lines in the solar spectrum.

17. 1818 208 years ago

    Frankenstein; or, The Modern Prometheus — first publication

    Category: Science Fiction › Type: Science fiction publication

    • Science fiction
    • Science fiction literature

    Frankenstein; or, The Modern Prometheus (Novel) by Mary Wollstonecraft Shelley · Role: Science fiction writer

    Frankenstein; or, The Modern Prometheus — first publication (1818-01-01).

18. 1827 199 years ago

    First issue of MNRAS published

    Category: Discoveries and Scientific Results › Type: Research publication

    The Monthly Notices of the Royal Astronomical Society began publication.

19. 1828 198 years ago

    Jules Verne: birth

    Category: Organizations and People › Type: Birth

    • Science fiction
    • Science fiction literature

    Role: Science fiction writer

    Jules Verne: birth.

20. 1838 CE 188 years ago

    Bessel measures stellar parallax

    Friedrich Bessel measured the distance to 61 Cygni using its annual parallax.