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What is the name for the celestial body of interstellar gas and dust where stars are sometimes born?
105Is the gravitational pull on an object equalized if the object is at the centre of a planet, i.e. Surrounded by the mass of the planet, which is creating the gravity?
121When a superior planet is at quadrature in reference to the earth, what is its elongation in degrees?
173Astronomers usually detect the electromagnetic emissions of a single neutron star in what single form?
112Which of the pulsating variable star whose brightness varies in a very regular time period of about 1-50 days?
189According to keplers third law, plotting the squares of the periods of the planet against the cubes of the semi- major axes of their orbits will result in what sort of graph?
146
How many moons does jupiter have?
Rounded off to the nearest trillion, how many miles is in a light year?
Explain if gravity only attracts mass and if light does not have mass why does it appear to bend when passing a planet?
What is the difference between a star, satellite and a planet?
Which space flight sent the pictures of moon’s farside and when?
How many moons does neptune have?
Tell me how many earths can fit into jupiter s great red spot?
What is super galaxy?
What is the effect of gravity at the center of a planet?
How fast is the solar wind?
What is the density of stars?
An emission or bright line spectrum consists of?
If the temperature of a star increases from 10,000k to 30,000k, by what factor will the rate of energy radiated per second increase?
Explain how big is the universe?
Which is the first unmanned space vehicle which landed on the moon?
