see sun, moon and stars in the sky. These are together called heavenly bodies.
The sun is star too and our earth is a planet while the moon is a
natural satellite. All heavenly bodies in space called the universe.
is a massive ball of burning gas called a star. Sun look big because it
is closer to the earth compared to other stars. The sun gives heat and light.
In absence of sun, the earth would always be a dark place. The heat of the sun
makes us sweat on a hot summer day. Sun warms the earth. Plants grow in
sunlight, making food for animal. We should not look directly at the Sun as its
strong light could damage our eyes.
earth moves around the sun in 365 days, almost a year. This movement of earth around
the sun causes seasons. The earth also spins around. When earth spins,
different parts of the earth have day or night. The part of the earth that does
not receive light has night and part of the earth that face the sun has day.
moon is a big, round lump of rock that moves around the Earth. It is smaller
than the earth but closer to the earth than it to the sun. It is the brightest
thing we can see in the night sky. As the moon moves, the sun lights up
different parts of its surface. That is why the moon shapes seems to be
changing. The different moon shapes we see are phases of moon. We cannot see
moon and stars in the daytime because bright light of the sun masks them.
has its own light. The nearest star to the earth is sun. We can see stars at