Astronomy | Astrophysics Answers

how many asstronomical units are ther in 1 metre?

The mass of the sun is 1.991x10^30 kg and its density is 1.410 g/cm^3. What is the volume of the sun in m^3?

A planet has twice the mass of earth.how much larger would the radius of the plant have to be for the gravitational field strength at the planet surface to be same as on earth surface

What percentage of the mass of our solar system is the sun

which of the following emits sound high pitch:
a. Mosquito
b. Lion
c. Man
d. Monkey

5) Assuming that half of the mass of the Milky Way within the Sun's orbit is in the bulge, estimate the average mass density of the Milky Way's bulge. How does it compare with the density of giant molecular clouds?

If the asteroid is moving at a constant speed in its orbit, why will it have a normal acceleration

calculate the magnitude of the acceleration due to gravity on planet mercury mass = 2.99 x 10(power 23)kg and radius = 2.42 x 10(power 6) metres.

Is it possible to make adibatic wall????

Why is a sidereal year longer than a solar year if a sidereal day is SHORTER than a solar day?