When a star moves away from Earth, its electromagnetic spectrum stretches to make its wavelengths appear longer. Which of these methods makes use of this phenomenon to measure accurately the distance from Earth to a star?
a. Doppler Effect
b. Parallax Method
c. HR Diagram
d. Blue Shift
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “When a star moves away from Earth, its electromagnetic spectrum stretches to make its wavelengths appear longer. Which of these methods ...” in 📗 Physics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
How are speed and velocity different? Question 9 options: Speed is constant and velocity can change. Speed is a vector and velocity is a scalar. Velocity tells you how fast and gives a direction. Speed only tells how fast.
Answers (2)
A cold beer initially at 35ºF warms up to 40ºF in 3 min while sitting in a room of temperature 70ºF. How warm will the beer be if left out for 20 min
Answers (1)
How deep is the outer core beneath the surface
Answers (1)
Suggest one way to detect the oxygen level in a safer way. give one reason for your suggestion.
Answers (1)
Chris operates a small sign-making business. He finds that if he charges x dollars for each sign, he sells 44-x signs per week. What is the smallest number of signs that he can sell to have an income of $420 in one week?
Answers (1)
New Questions in Physics
January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.
Answers (1)
The vector quantity that defines the distance and direction between two positions.
Answers (1)
Which statement is true? Select one of the options below as your answer: A. Quarks always occur in groups with leptons. B. Quarks always occur independently. C. Quarks always occur in groups with other quarks. D.
Answers (1)
Peat is actually the early stage of
Answers (1)
Explain how electric current is able to flow.
Answers (1)