jjsw2829 jjsw2829

16-12-2022
Physics

contestada

Suppose we observe a Cepheid variable in a distant galaxy. The Cepheid brightens and dims with a regular period of about 10 days. What can we learn from this observation?We can learn the distance to the galaxy.

Respuesta :

Otras preguntas

How do you solve this type of problem? What does the key represent?

explain why musicians want to make and what pieces of technology were used to help this goal

organ systems combine to form _____ A. tissues B.organism C.organs D.cells

what is galileo, Copernicus, and Kepler? is it complete subject, simple subject, or compound subject

The amount of matter in an object is called its ______.

A box contains 4 red pencils and 6 black pencils. What fraction of the pencils are red? Write two equivalent fractions

earth is closest to the sun when it is summer in the

How did Christianity impact Europe in the Middle Ages

A bookstore is having a sale in which customers can purchase 6 books for a price of b dollars. Which expression represents the price of a single book? A. 6b B.

Read this example: Animal testing, though technically legal in the United States, is cruel and extremely harmful to animals and should be stopped because many