Constellations
About the Author: This information bite is by Sonal Nagesh of 6C. Governed by a curious mind, she loves to read and explore scientific facts
Constellations are a group of stars in the night sky which make images of humans and animals. Each constellation is given a name after some animals and mythological creatures. They are viewed before sunrise and after sunset. Here are some famous constellations.
Ursa Major – Great bear or Saptarishi Mandal
Orion the Hunter
Canis Major
Hydra
Zodiac Constellations
There are 12 zodiac constellations:
● Taurus (Bull)
● Gemini (Twins)
● Cancer (Crab)
● Leo (Lion)
● Virgo (Virgin)
● Libra (Scales)
● Scorpius (Scorpion)
● Sagittarius (Archer)
● Capricorn (Goat)
● Aquarius (Aquarius)
● Pisces (2 Fish)
● Aries (Ram)
Original uses of constellations
● Ancient Farmers used constellations to tell them when to plant and harvest their crops (crop cycle –
when they see one constellation, they used to plant one crop, when they see another, they used to harvest it)
● Constellations have also been used for navigation
● Constellations are used to locate other objects such as galaxies, nebulae, etc.
● Constellations were also used to tell time
Few more points
● There are two pointers in Ursa Major (Dubhe and Merak) which point to the North star in Ursa Minor
● Canis major is the greater dog and has the brightest star in the sky – Sirius
● Hydra is a water snake and is the largest constellation in the sky
● Orion is also called The Hunter and has a star (Betelgeuse) which is 650 times bigger than the sun