What is the name for the celestial body of interstellar gas and dust where stars are sometimes born?
79Is 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?
90When a superior planet is at quadrature in reference to the earth, what is its elongation in degrees?
85Astronomers usually detect the electromagnetic emissions of a single neutron star in what single form?
76Which of the pulsating variable star whose brightness varies in a very regular time period of about 1-50 days?
124According 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?
134
How long is a year on saturn?
Tell me how many black holes are there?
Which of the pulsating variable star whose brightness varies in a very regular time period of about 1-50 days?
Give the common name for the phenomenon which is the result of sunlight reflecting off the earth and faintly illuminating the darkened portion of the moon?
When did solar system come into existence? What is the expected life of solar system?
How stars are formed?
How old is our earth?
Which are the first soviet us space mission to moon?
Describe the atmosphere on Venus, Mar and Jupiter.
Which book of aryabhatta is regarded as a great contribution in astronomy?
Which king of india built an astronomical observatory in 17th century?
Explain how old is our earth?
An emission or bright line spectrum consists of?
Why did you want to become an astronomer?
Which is the brighest star?
