Star A and star B appear equally bright in the sky, Star Ais 5 times as far away from Earth as star B. This means that star A is times as luminous as star B.

How did steno believed that fossils ended up deep inside the rocks?

Which natural resource is mort important to the economy of western europe today a coal b gold c iron ore d oil

What is the order of star colors with increasing temperature? d?

Which words or phrases describe extrusive igneous rocks during or after formation? Check all that apply. A. coarse B. fine texture C. small crystals D. exposed to air or water E. found in magma chambers

In the post-industrial era, an edge city is

Is argentina in the northern or southern hemisphere?

How does earths revolution affect our view of stars and constellations in the night sky?

The reason why the USA seems to have so many products that are "Made in China" is because Chinese businesses are very involved in world trade. Which means Chinese businesses are

Which of the following is not a place where hydrogen can be found on Earth? A. Natural gas well B. Atmosphere C. Water D. Mine

Molten lava coming out of a Hawaiian volcano cools down and forms rock. Which statement best describes the flow of energy in this scenario? Energy moves from the surroundings to the lava. Energy stays within the lava.