Unit 11 · Earth and UniverseConstellations
Words of This Topic
- Constellation: a region of the sky holding stars set in a fixed shape.
- Ecliptic: the path along which the Sun appears to travel across the sky in one year.
- Zodiac constellations: the twelve constellations lying along the ecliptic.
- Geographical direction: a direction such as north, south, east or west.
- Sailor: a person who works a ship at sea.
- Naked eye: seeing with the eye alone, without a telescope or binoculars.
- Galaxy: an enormous system of billions of stars along with gas and dust, held together by gravity.
- Ursa Major: a constellation of seven stars seen in the northern sky.