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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 do ceres have?
How many earths can fit into jupiter s great red spot?
Which is the landing craft used by armstrong on the moon?
How old is this universe?
The 29 days it takes the moon to complete an orbit around the earth is called a?
How long is it until our solar system ceases to exist?
Is the moon escaping the earth?
Tell me how many moons do mars have?
What is the difference between a star, satellite and a planet?
How many planets are now in the solar system?
All of saturns moons are composed predominantly of what substance?
What is the distance between two galaxies?
Tell me how many moons does uranus have?
Explain how old is this universe?
Which are the first soviet us space mission to moon?
