Astronomy for O Level |
Contents
A Note on Measurement page | 8 |
Introduction | 9 |
Astronomy Through the Ages | 12 |
Copyright | |
18 other sections not shown
Common terms and phrases
3-inch refractor Alpha Altair altitude Andromeda angle Ångström appear astronomical atmosphere atom axis Beta Betelgeux binary binoculars bright brilliant Cassiopeia celestial equator celestial pole centre century Cepheids Chapter circumpolar cluster colour comet constellation craters Cygni declination Delta Cephei Deneb diagram diameter difference disk distance eclipse escape velocity Eta Aquila eyepiece Faber focal length Galaxy Greenwich sidereal hemisphere horizon hydrogen inches Jupiter known latitude light light-years longitude look lunar Lyræ magnification magnitude Main Sequence Mars means Mercury meridian meteors million Mizar Moon's moving round naked eye Nebula object-glass Observatory observer open cluster orbit Orion Patrick Moore period planet Pluto Point of Aries Polaris position probe Procyon radiations radio waves reflector refractor Rigel right ascension rocket round the Earth round the Sun satellite Saturn seen Sirius Solar System spectrum spiral star's Sun's sundial surface telescope transit tube Uranus variable star Vega Venus visible wavelength