What is the name for the celestial body of interstellar gas and dust where stars are sometimes born?
91Is 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?
108When a superior planet is at quadrature in reference to the earth, what is its elongation in degrees?
125Astronomers usually detect the electromagnetic emissions of a single neutron star in what single form?
91Which of the pulsating variable star whose brightness varies in a very regular time period of about 1-50 days?
151According 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?
140
Explain how old is this universe?
Which moon is the only other body in our solar system, besides the earth, that has an atmosphere of mostly nitrogen?
What is the distance between two galaxies?
Tell me how long is a day on saturn?
What are the super giant novae stars?
How many stars are there, which are normally visible?
How was the moon formed?
Does astronomy help you with other things in life? If yes, what?
How stars are formed?
Explain how old is our earth?
Is the moon escaping the earth?
What is the term for the amount of energy released from each square meter of an objects surface each second?
Most astronomers believe that these celestial bodies are at the center of quasars and are the main reason for their large energy emissions?
All of saturns moons are composed predominantly of what substance?
How long is it until our solar system ceases to exist?
