Size of an asteroid is

NASA is all set to start building the world's first spacecraft "that collected samples" from an asteroid in 2018.

Select the most appropriate option to fill in the blank. Scientists have discovered evidence of abundant water bearing minerals on the ______ of an asteroid Bennu.

Define asteroids .

Name an asteroid that has a dog-bone shape?

A spherical hole of radius R//2 is excavated from the asteroid of mass M as shown in the figure the gravitational acceleration at a point on the surface of the asteroid just above the excavation is

A spherical hole of radius R//2 is excavated from the asteroid of mass M as shown in the figure the gravitational acceleration at a point on the surface of the asteroid just above the excavation is

An asteroid, whose mass is 2.0 xx 10^(-4) times the mass of Earth, revolves in a circular orbit around the Sun at a distance that is 3.0 times Earth's distance from the Sun. (a) Calculate the period of revolution of the asteroid in years. (b) What is the ratio of the kinetic energy of the asteroid to the kinetic energy of Earth?