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Timeline of Astronomy and Telescopes Directions:

By BenJe
  • The first reflecting telescope is built.

    The first reflecting telescope is built.

    optical telescope which uses a single or combination of curved mirrors that reflect light and form an image. It was made in

  • Spiral nebulae are discovered.

    Spiral galaxies consist of a flat, rotating disc containing stars, gas and dust, and a central concentration of stars known as the bulge.

  • The Hubble Space Telescope is launched.

    he Hubble Space Telescope is a space telescope that was launched into low Earth orbit in 1990. In Florida USA.

  • The first permanent solar telescope is built.

    a special purpose telescope used to observe the Sun.