Which progression do astronomers expect our sun to follow as it runs out of fuel? a red giant, neutron star b supergiant, supernova, black hole c red giant, white dwarf d supergiant, supernova, white dwarf?

Earth's polar ice caps contain about 2.3 * 1019 kg of ice. This mass contributes essentially nothing to the moment of inertia of the earth because it is located at the poles, close to the axis of rotation.

How would you describe the sequence of reactions in a hydrogen bomb? A) A fission reaction is used to trigger a fusion reaction. B) A fusion reaction is used to trigger a fission reaction.

All atomic nuclei, except those of ordinary hydrogen, contain neutrons. True or False?

When an electron enters a magnetic field, it will accelerate up the field. True OR False

A tectonic force is pushing a tectonic plate toward the north. If a second force of equal magnitude were to be applied to the plate in an eastward direction, A. the plate would change speed but not direction. B.

A student analyzes data of the motion of a planet as it orbits a star that is in deep space. The orbit of the planet is considered to be stable and does not change over time. What can the student say about this initial observation?

The planet Jupiter has a mass that is equal to 318 times Earth's mass, an orbital radius of 5.21 AU, and an orbital velocity of 13.1 km/s. Earth's orbital velocity is 29.8 km/s.

I need this like right now! Which of the following indicates that an exothermic reaction has occurred? Temperature increases Heat is absorbed Salt is produced Water is formed

Is time the fourth dimension?

What is the speed of a proton after being accelerated from rest through a 5.6x107 V potential difference?