EASY
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Name the following: 
First Indian artificial satellite 

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Important Questions on Universe and Space

MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
An artificial satellite of mass m is moving along an elliptical path around the earth. The areal velocity of the satellite is proportional to
HARD
Science>Physics>Universe and Space>Natural and Artificial Satellites
Write the name of the first astronaut. Which facilities are available to solve the problem of food and living in Weightlessness on International Space Station.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
The figure shows an elliptical path ABCD of a planet around the sun S such that the area of triangle CSA is 14 the area of the ellipse. (see figure) with DB as the major axis, and CA as the minor axis. If t1 is the time taken for the planet to go over path ABC and t2 for path taken over CDA then:

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HARD
Science>Physics>Universe and Space>Natural and Artificial Satellites
What is the name of the natural satellite of the earth? How would have this natural satellite originated? Mention its two importance for earth.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
Kepler's third law states that the square of the period of revolution T of a planet around the sun is proportional to the third power of the average distance r between sun and planet i.e., T2=Kr3, here K is constant. If the masses of sun and planet are M and m respectively then as per Newton's law of gravitation force of attraction between them is F=GMmr2, here G is gravitational constant. The relation between G and K is described as:
HARD
Science>Physics>Universe and Space>Natural and Artificial Satellites
Write the name of first spacecraft of India. Explain the importance of satellites launched by India.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
What portion of the Moon do we see when it is between the Sun and the Earth?
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
Where does the Moon get its light from? 
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
What do you know about man-made satellites?
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
The moon has no _____ of its own.
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
The Moon is closer to us than the Sun.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
Why do you think there is no life on the moon?
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
The Moon takes approximately 4 weeks to go around the Earth.
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
There is no water and air on the moon.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
How many days does the moon take to go around the Earth? 
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
What do you know about the moon?
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
The New Moon shines brightly in the sky.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
When can we see the full moon?
EASY
Science>Physics>Universe and Space>Natural and Artificial Satellites
The stars go away from the sky during the day.
MEDIUM
Science>Physics>Universe and Space>Natural and Artificial Satellites
Explain the New moon and Full moon phases of the moon.