• Thumbnail for Astronomy
    Astronomy is a natural science that studies celestial objects and the phenomena that occur in the cosmos. It uses mathematics, physics, and chemistry...
    98 KB (10,181 words) - 15:46, 21 March 2024
  • Thumbnail for History of astronomy
    Astronomy is the oldest of the natural sciences, dating back to antiquity, with its origins in the religious, mythological, cosmological, calendrical...
    81 KB (10,061 words) - 14:55, 4 March 2024
  • In astronomy, an epoch or reference epoch is a moment in time used as a reference point for some time-varying astronomical quantity. It is useful for...
    24 KB (3,437 words) - 01:12, 5 December 2023
  • Thumbnail for Radio astronomy
    Radio astronomy is a subfield of astronomy that studies celestial objects at radio frequencies. The first detection of radio waves from an astronomical...
    36 KB (3,828 words) - 18:22, 19 February 2024
  • Thumbnail for Sidewalk astronomy
    Sidewalk astronomy or street corner astronomy refers to the activity of setting up a telescope in an urban place on a for-profit or non-profit basis as...
    8 KB (685 words) - 04:41, 18 October 2023
  • Thumbnail for Babylonian astronomy
    Babylonian astronomy was the study or recording of celestial objects during the early history of Mesopotamia. Babylonian astronomy seemed to have focused...
    46 KB (5,861 words) - 18:17, 16 January 2024
  • Thumbnail for Astronomy & Astrophysics
    Astronomy & Astrophysics (A&A) is a monthly peer-reviewed scientific journal covering theoretical, observational, and instrumental astronomy and astrophysics...
    22 KB (2,161 words) - 21:59, 15 November 2023
  • Thumbnail for Void (astronomy)
    Abell clusters. The new redshift surveys revolutionized the field of astronomy by adding depth to the two-dimensional maps of cosmological structure...
    37 KB (4,529 words) - 16:05, 4 January 2024
  • Thumbnail for Sun
    Sun (redirect from Sun (astronomy))
    Unsolved problem in astronomy: Why is the Sun's corona so much hotter than the Sun's surface? (more unsolved problems in astronomy) The temperature of...
    165 KB (18,869 words) - 03:40, 28 March 2024
  • Thumbnail for Amateur astronomy
    Amateur astronomy is a hobby where participants enjoy observing or imaging celestial objects in the sky using the unaided eye, binoculars, or telescopes...
    39 KB (4,575 words) - 15:37, 29 February 2024