What is the name for the celestial body of interstellar gas and dust where stars are sometimes born?
87Is 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?
106When a superior planet is at quadrature in reference to the earth, what is its elongation in degrees?
119Astronomers usually detect the electromagnetic emissions of a single neutron star in what single form?
89Which 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
How big is venus?
How fast is the solar wind?
Explain how far away from earth, is space?
Tell me how many moons does saturn have?
Tell me how many moons does neptune have?
Mars has a thin atmosphere composed mainly of what gas?
Which is the brighest star?
Which planet in our solar system has the most circular orbit?
Which was the vehicle used for the first landing on the moon?
The magellan clouds are actually what type of celestial body?
How many earths can fit into jupiter s great red spot?
Tell me how many moons does uranus have?
Explain how far from earth, is the moon?
Whos book, titled concerning the revolutions of celestial spheres, is considered to mark the birth of modern astronomy?
How far away from earth, is space?