Which of the following physical quantities has light year as its unit?
One light year is the distance travelled by light in one year, i.e. 9.46×1012km.
Identify the closest star to our solar system.
The sun is a part of the solar system. Proxima Centauri is about 4.3 light years from the earth and nearest to the solar system.
What are groups of stars which seem to form a pattern called?
Constellation is a group of stars that appear to form some kind of pattern.
What is the approximate height of a geostationary satellite?
36, 000 km is the approximate height of a geostationary satellite from the earth.
Which of the following is the first Indian satellite?
India joined the space club on April 19, 1975 On June 19, 1979, Bhaskara 1, India's second satellite was put into orbit successfully.
What kind of a planet is Jupiter?
Jupiter is the largest planet and it is made up of gas.
How do stars appear to move?
Stars appear to move from east to west. This is because the earth rotates on its axis from west to east.
To which of the following category does Orion belong?
Orion is the name of a constellation which means the hunter.
Which planet has "the great red spot"?
The great red spot on Jupiter's surface is actually a huge storm.
Where is a spy satellite deployed?
A spy-satellite is an earth observation satellite (or) communication satellite deployed in a low-earth orbit, for military (or) intelligence applications.
What is Ceres?
Ceres is an asteroid that was first discovered and it is also the largest.
Which of the following is the brightest non-star visible to the human eye?
The moon is not a star. It is the only natural satellite visible to us on the earth.
Which is the only moon in the solar system with active volcanoes?
The only moon in the solar system with active volcanoes is lo.
Which is the largest, natural satellite in the solar system?
Ganymede, one of the many moons of Jupiter, is the largest satellite in our solar system.
Which of the following planets can be seen with naked eyes?
Mercury, Mars, Venus and Jupiter can be seen with the naked eye.
In which orbits do satellites revolve?
Natural satellites e.g., moon revolve around the earth in an elliptical orbit. Geostationary satellites revolve around the earth in circular orbits.
Identify the biggest constellation.
The largest of the 88 recognized constellations is Hydra. It is best seen from the southern hemisphere. The smallest constellation is Crux.
Of which element is ozone made?
Ozone is made up of oxygen.
Who proved that the planets revolve around the sun in elliptical orbits?
Johannes Kepler proved that the planets revolve around the sun in elliptical orbits. He also formulated the laws of planetary motion, which have been named after him.
Between 1979 and 1999, which of these planets was the farthest from the sun?
Between 1979 and 1999, the farthest planet from the sun was Neptune.