How o astronomers gather information to establish the hubble law?

How does the distance the Earth is from the Sun affect its orbit?

Express 2759 mockingbirds in kilomockingbirds. answer in units of kmockingbird

How are credit unions different from banks? O A. Credit unions don't charge interest on the loans they make. O B. Credit unions are owned by stockholders rather than partners. O C. Credit unions are nonprofit financial institutions. O D.

A laser on the South American plate takes a certain amount of time to reach a satellite and bounce back to Earth. Five years later, the laser takes a little more time to reach the satellite and bounce back.

What property indicates a star's temperature? A size B color C composition D brightness i forgot lol

Four wrestlers step on a scale for a tournament. Wrestler A weighs in at 170 pounds; wrestler B weighs in at 168 pounds; wrestler C weighs in at 171 pounds; and wrestler D weighs in at 169 pounds.

What is a change in velocity per time

Recall specific heat of water is 4186 j/kg/C. Find the specific heat of sample. Water. Sample Mass 109 192 Internal temperature. 21. 67 Final temperature. 30.1. 30.1

During which period did the first large herbivores and carnivores appear?

What is the reason behind the tail of a comet moving away from the Sun? A The gravity of Jupiter pulls it away from the Sun. The nucleus of the comet propels it away from the Sun. C. The radiation pressure and solar wind propels it away from the Sun.