NCERT Solutions for Curiosity Chapter 12 Earth, Moon, and the Sun

About this chapter

The Earth rotates on its own axis — an imaginary line through the geographic North Pole and South Pole — once in about 24 hours . Seen from above the North Pole, this rotation is anti-clockwise, that is, from West to East . Because we watch the sky from a rotating Earth, the Sun, the Moon and the stars only appear to move. They seem to rise in the East and set in the West . This is exactly like the trees appearing to turn the other way when you ride a merry-go-round. The Earth's rotation causes the day–night cycle : the half facing the Sun has day, the other half has night. The Earth's axis points very close to the Pole Star (Dhruva Tara) , so that star appears almost fixed while all other stars, such as the Big Dipper (Saptarishi) , appear to swing around it. The Earth also revolves aroun

• Chapter opener
• .1 Rotation of the Earth
• and 17212.1 Rotation of the Earth
• .2 Revolution of the Earth
• .2.2 Seasons on the Earth
• .3 Eclipses
• .3.1 Solar eclipse
• Dive Deeper boxes of the chapter
• .3.2 Lunar eclipse
• Know a Scientist: M.K. Vainu Bappu