Salem on History

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Subcategories - Astronomy, Astronomers, Cosmology

1. Abul Wefa
2. Alhazen
3. Anaximander
4. André-Louis Danjon
5. Apollo 11 Lands on the Moon
6. Apollo-Soyuz Rendezvous Inaugurates International Cooperation in Space
7. Astronauts Renovate Hubble Telescope
8. Astronauts Repair the Hubble Space Telescope
9. Astronomers Detect Black Hole
10. Astronomers Detect Planets Orbiting Another Star
11. Astronomers Discover an Unusual Ring System of Planet Neptune
12. Astronomers Discover Solar System with Three Planets
13. Astronomers Discover the Rings of the Planet Uranus
14. Astronomers See Light from Object 12.2 Billion Light-Years Away
15. Astronomy
16. Atlas-Centaur Rocket Is Developed
17. Avicenna
18. Baade Corrects an Error in the Cepheid Luminosity Scale
19. Bell Discovers Pulsars, the Key to Neutron Stars
20. Benjamin Banneker
21. Bernhard Voldemar Schmidt
22. Carl Sagan
23. Cassinelli and Associates Discover R136a, the Most Massive Star Known
24. Challenger Accident
25. Chandrasekhar Calculates the Upper Limit of a White Dwarf Star’s Mass
26. Christiaan Huygens
27. Clyde William Tombaugh
28. Columbia’s Second Flight Proves the Practicality of the Space Shuttle
29. Construction of the World’s Largest Telescope Begins in Hawaii
30. Copernicus Publishes Revolutions of the Heavenly Bodies
31. A Corroded Mechanism Is Recognized as an Ancient Astronomical Computer
32. Davis Constructs a Solar Neutrino Detector
33. De Vaucouleurs Identifies the Local Supercluster of Galaxies
34. The Earth Resources Technology Satellite Is Launched
35. Echo, the First Passive Communications Satellite, Is Launched
36. Eddington Formulates the Mass-Luminosity Law for Stars
37. Eddington Publishes The Internal Constitution of the Stars
38. Edmond Halley
39. Empedocles
40. Establishment of the Julian Calendar
41. European Space Agency Is Formed
42. Evidence of Martian Ocean Is Reported
43. First American in Space
44. The First Permanently Manned Space Station Is Launched
45. The First Ring Around Jupiter Is Discovered
46. The First Rocket with More than One Stage Is Created
47. The First Space Walk Is Conducted from Voskhod 2
48. The First Tracking and Data-Relay Satellite System Opens a New Era in Space Communications
49. Former Astronaut Glenn Returns to Space
50. Founding of the Pythagorean Brotherhood