Bonus puzzles › #23

Looking Up — bonus #23 answers

Theme: Looking Up

Starting event: William Herschel spots a new planet in the constellation of Gemini (1781)

The full timeline

1. 1610
   Telescopes

   Galileo turns a telescope on the night sky and finds moons around Jupiter

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2. 1668
   Telescopes

   Isaac Newton completes the first working reflecting telescope

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3. 1774
   Catalogues

   Charles Messier publishes a catalogue of the fuzzy objects he kept mistaking for comets

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4. 1781
   PlanetsStarting event

   William Herschel spots a new planet in the constellation of Gemini

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5. 1846
   Planets

   Neptune is found with a telescope, close to where mathematics predicted

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6. 1917
   Observatories

   The Hooker telescope begins work on Mount Wilson in California

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7. 1929
   Discovery

   Edwin Hubble shows that distant galaxies are rushing away from us

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8. 1930
   Planets

   Clyde Tombaugh finds Pluto at an Arizona observatory

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9. 1948
   Observatories

   The Hale telescope at Palomar sees first light

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10. 1957
    Orbit

    A Soviet satellite becomes the first object put into orbit around the Earth

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11. 1963
    Radio Astronomy

    The Arecibo dish is completed in a Puerto Rican sinkhole

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12. 1977
    Orbit

    A probe sets out from Earth on a tour of the outer planets

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13. 1980
    Radio Astronomy

    The Very Large Array is inaugurated on a plain in New Mexico

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14. 1990
    Space Telescopes

    Hubble is carried into orbit and begins observing above the atmosphere

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15. 1995
    Discovery

    A planet is found orbiting another sun-like star

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16. 1999
    Space Telescopes

    Chandra begins observing the sky in X-rays

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17. 2003
    Space Telescopes

    Spitzer begins observing the sky in infrared

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18. 2009
    Space Telescopes

    Kepler is launched to hunt for Earth-sized planets

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19. 2015
    Discovery

    Gravitational waves are detected directly for the first time

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20. 2019
    Discovery

    The first image of a black hole is published

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21. 2021
    Space Telescopes

    The James Webb Space Telescope is launched from French Guiana

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