Samacheer Kalvi - English Medium books
Samacheer Kalvi - Tamil Medium books
Universe Flash Cards
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Samacheer Kalvi - English Medium
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14 cards in this set.
Who proposed the heliocentric model of the universe?
(b) Nicolaus Copernicus
Which of the following is not a part of outer solar system?
Ceres is a _______.
The period of revolution of planet A around the Sun is 8 times that of planet B. How many times is the distance of planet A as great as that of planet B?
The Big Bang occurred _____ years ago
(a) 13.7 billion
The speed of Sun in km/s is _______.
The rotational period of the Sun near its poles is ________.
Indias first satellite is _______.
The third law of Kepler is also known as the Law of ________.
The number of planets in our Solar System is _______.
ISS is a proof for international cooperation.
Halleys comet appears after nearly 67 hours.
FALSE (Halley's comet appears after nearly 76 years)
Satellites nearer to the Earth should have lesser orbital velocity.
FALSE (Satellites nearer to the earth should have higher orbital velocity)
Mars is called the red planet.
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