What happens when a star's core runs out of hydrogen and why does this occur?

A 20 kg satellite has a circular orbit with a period of 3.1 h and a radius of 8.6 ✕ 106 m around a planet of unknown mass. if the magnitude of the gravitational acceleration on the surface of the planet is 8.1 m/s2, what is the radius of the planet?

Obesity refers to gradual weight gain as a person grows older

Discuss the relationship between amperage, voltage, and power.

The peak of intensity for our Sun on a black body curve would be in which of the following wavelength ranges?0.01 - 10nm 10 - 380nm 560 - 600nm 1,000,000 to 100,000,000nm

Why doesn't the moon move away from the earth

A baseball flying through the air has kinetic energy because of its motion. true or false?

How many poles does Jupiter's magnetosphere have? a. 2 c. 8 b. 4 d. 9

Which describes nuclear fusion? The nuclei of two atoms combine to form a larger nucleus. The nucleus of one atom splits to form two smaller nuclei. The electrons of two atoms combine to form a cluster of electrons.

In a class debate, a student argues that the big bang theory is "just a theory." What is most likely to be this student's understanding of scientific theories? A. Theories agree with observations of nature. B. Theories are just guesses. C.

Look at the advertisement. A poster that reads, "There's more to resistors than resistance. If you're really serious about cost, be serious about quality." with tools. Which persuasive media technique is used in this advertisement