Comets, meteors and asteroids

  • Meteors and meteorites
    All of us are familiar with the sight of a sudden flash of light passing across part of the night sky.
    Meteors and meteorites
  • Comets
    Comets have been associated by the superstitious with disasters and other notable historical events.
    Comets
  • How to make your own comet
    One of the neatest demonstrations in astronomy is to make a comet in the classroom.
    How to make your own comet
  • Annual meteor showers
    Dates and details of all the annually-occurring meteor showers visible from the UK.
    Annual meteor showers
  • The Leonid meteors
    Meteors from this shower can be seen over a period of about 2 days centred on approximately November 17 in the constellation Leo.
    The Leonid meteors
  • The Minor Planets or Asteroids
    Between 1801 and 1807 small starlike objects were discovered in the solar system. These small bodies became known as Minor Planets or asteroids.
    The Minor Planets or Asteroids
  • Near-Earth Objects (NEOs)
    Asteroids are remnant material from the formation of the solar system and the initial development of the planets.
    Near-Earth Objects (NEOs)
  • The Perseids
    The Perseids are the best-known of the meteor showers and can be seen in August each year, with the maximum activity on or around 12 August.
    The Perseids
  • The closest recorded encounter between a natural object and the Earth took place on 31 March 2004.
  • In 2006 a comet-like ball of gas was found, moving through a cluster of galaxies at 750 km per second.