olivadawkins2183 olivadawkins2183

16-03-2020
Social Studies

contestada

An astronomer observes a nearby Cepheid at a distance of 1000 light-years and a Cepheid in M31. The two Cepheids have the same pulsation period. The nearby Cepheid appears 4 million times brighter than the Cepheid in M31. What is the distance of the Cepheid in M31

Respuesta :

nalleitenw nalleitenw

16-03-2020

The correct answer is 2 million light-years

Explanation: Cataloged as M31 in the Messier catalog and NGC 224 in the New General Catalog (from the New General Catalog), the Andromeda galaxy is located in the constellation with the same name and, as already mentioned, at a distance of approximately 2.5 million years -light from Earth.

Answer Link

ACCESS MORE ACCESS MORE ACCESS MORE ACCESS MORE

Otras preguntas

How does the policy that requires food service workers to wash their hands help prevent food Bourne illness

How south african government is addressing the challenges of accidents and risky behaviour amoung people in Road Adccident Fund?

Solve the equation. I'm so lost please help. -7 (x+1)-6=-41x+55

Which level of organization is made of different types of tissue working together to perform a specific job for your body

Find the next two numbers in the pattern: -128,64,-32,16,

My brother a truck driver spends a great deal of time on the road. Proper punctuation

Why can an excepted hypotheses be rejected at a later date

Branliest offered Over the 5 day week what is the mean amount of money he spends per evening on a snack He saves _____ he takes ______. He spends a mean of ___

During a catered lunch, an average of 4 cups of tea are poured per minute. The lunch will last 2 hours. How many gallons of tea should the caterer bring if ther

Round to the place value 286,476