menu
Qammunity
Login
Register
My account
Edit my Profile
Private messages
My favorites
Ask a Question
Questions
Unanswered
Tags
Categories
Ask a Question
What two properties of a Cepheid variable star do we need to know in order to calculate the approximate distance from Earth? (choose two) 1.) luminosity 2.) parallax 3.) color 4.) heat intensity 5.) exact
asked
Aug 12, 2021
90.3k
views
4
votes
What two properties of a Cepheid variable star do we need to know in order to calculate the approximate distance from Earth?
(choose two)
1.) luminosity
2.) parallax
3.) color
4.) heat intensity
5.) exact size
6.) apparent magnitude
Mathematics
high-school
IDroid
asked
by
IDroid
8.6k
points
answer
comment
share this
share
0 Comments
Please
log in
or
register
to add a comment.
Please
log in
or
register
to answer this question.
1
Answer
0
votes
Answer:
4 and 6
Explanation:
Celal Selcan
answered
Aug 16, 2021
by
Celal Selcan
8.9k
points
ask related question
comment
share this
0 Comments
Please
log in
or
register
to add a comment.
← Prev Question
Next Question →
Related questions
asked
Apr 15, 2024
145k
views
How did Edwin Hubble measure the distance to the Andromeda Galaxy? He measured its parallax. He used main-sequence fitting. He applied the period-luminosity relationship to Cepheid variables. He deduced
Tanatach
asked
Apr 15, 2024
by
Tanatach
8.1k
points
Physics
high-school
1
answer
2
votes
145k
views
asked
Dec 24, 2024
128k
views
The cosmic distance ladder begins with the most direct measurements of distance, such as .... A. supernovas B. Cepheid variables C. main sequence fitting D. parallax
David Joyner
asked
Dec 24, 2024
by
David Joyner
8.0k
points
Physics
high-school
1
answer
3
votes
128k
views
asked
May 22, 2024
45.9k
views
The distance to the center of our galaxy can be found from... A. radar measurements B. measuring the distance modulus of Cepheid variables C. measuring the parallax of stars D. mapping the distribution
Gal
asked
May 22, 2024
by
Gal
7.7k
points
Geography
high-school
1
answer
3
votes
45.9k
views
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.
9.4m
questions
12.2m
answers
Other Questions
What is .725 as a fraction
How do you estimate of 4 5/8 X 1/3
Write words to match the expression. 24- ( 6+3)
A dealer sells a certain type of chair and a table for $40. He also sells the same sort of table and a desk for $83 or a chair and a desk for $77. Find the price of a chair, table, and of a desk.
The cost of 5 similar digital cameras and 3 similar video cameras is 3213. Each video camera costs 4 times as much as each digital camera. John buys a digital camera and a video camera. How much does he
Twitter
WhatsApp
Facebook
Reddit
LinkedIn
Email
Link Copied!
Copy
Search Qammunity