Tag: sunita's experience in space
Questions Related to sunita's experience in space
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It is called the red planet
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It is the last inner planet
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It takes 687 days to complete one revolution around the Sun
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It has 3 moons
Mars appears to be reddish in color and is hence known as the red planet.
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Mars
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Mercury
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Jupiter
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Uranus
Earth appears to be bluish green in colour and Mars appears to be reddish in colour. Hence it is also known as the red planet.
There is life on Earth because of:
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optimum sunlight
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presence of water and atmosphere
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presence of ozone layer
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all of the above
Earth is at an optimum distance from the Sun, therefore the sunlight reaching the Earth is not extremely hot. Also, the ozone layer prevents the entry of harmful rays. Presence of water and atmosphere that are essential for life an Earth to grow.
The planet Mercury:
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is a very small planet and hence not visible
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is very far from Earth as compared to other planets
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remains covered by clouds most of the day time
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is hidden by the glare of the Sun and hence not visible during the day time
Mercury is the first planet of our solar system. It is very close to the Sun and is mostly hidden because of excessive light or glare of the Sun. Hence, it is not easily visible. However, it can be seen just before sunrise or just after sunset from places where trees and buildings do not disturb the view.
Brightest planet in the night sky is:
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Jupiter
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Venus
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Earth
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Mars
Venus is the brightest planet in the night sky and can be spotted easily.
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outer
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inner
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warmer
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lighter
A band of asteroids present between Mass and Jupiter separates the planets into inner (planets before the band of asteroids) and outer (planets after the band of asteroids) planets. Mercury, Venus, Earth and Mars lie before the band of asteroids and are called inner planets.
The planet nearest to the Sun is ______.
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Mercury
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Venus
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Mars
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Earth
The planet nearest to the sun is Mercury.
Which of the following statements is / are correct ?
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A solar panel is made by combining a large number of solar concentrators.
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To work properly, wind energy generators need wind speeds of at least about 15 km/h.
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Many of the sources ultimately derive their energy
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none
A solar concentrator uses lenses, called Fresnel lenses, which take a large area of sunlight and direct it towards a specific spot by bending the rays of light and focusing them. Some people use the same principle when they use a magnifying lens to focus the Sun's rays on a pile of kindling or paper to start fires.
How did planets and other objects in the solar system form?
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After the Sun formed, it threw off hot pieces that spun and cooled.
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The Sun captured objects that formed in other places in the galaxy.
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Two stars collided, and the broken pieces went into orbit around the Sun.
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Material in a disc formed large clumps as the Sun fanned in the centre of the disc.
Which of the following belongs to the class of inferior planets?
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Mercury
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Venus
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Pluto
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Saturn
Inferior planets are those planets which is closer to Sun than the Earth, Mercury and Venus are the inferior planets.