Name two planets having no satellites.
What is meant by remote sensing?
What is the difference between a star and a constellation?
Name the star, which appears stationary from the Earth.
Why do we classify the Sun as a star?
What is a natural satellite?
Which planet of the solar system is (a) largest and (6) smallest in size?
Name the planets that were known to ancient astronomers.
Name different types of celestial bodies that are members of solar system.
The artificial satellites are used for­­­­­­­­­­­ ____, ______, ______ and ______.
Name the natural satellite of Earth.
Name two planets which are near to the Sun.
Which planet moves in a different plane?
Name the planet which is farthest from the Sun.
When the earth crosses the tail of the comet, swarms of meteor are seen, known as meteor showers.
Collecting information from a distance by satellites is known as remote sensing.
A star is a celestial body that continuously emits light and heat, whereas a constellation is group of stars which resemble some prominent figure or a shape of animal.
The Sun is a star because it continuously emits light and heat. It appears large as compared to other stars because it is nearer to the Earth.
A natural satellite is a body that revolves around a planet.
The planets known to ancient astronomers were Mercury, Venus, Earth, Mars, Jupiter and Saturn.
The different types of celestial bodies are planets, asteroids, satellites, comets, meteors and meteorites.
Long distance communication, research, remote sensing, defense.
The vast unimaginable space which encompasses most distant stars, planets and anything else, which can be imagined is called universe.
A comet is a heavenly body which revolves around the Sun in-an elliptical path.