Question and answer
Which variable stars have pulsation periods between 1.5 hours and 1.2 days? A. Protostars B. RR Lyrae variables C. Nebulas D. Cepheid variables
The stars that have pulsation periods between 1.5 hours and 1.2 days are C. RR Lyrae variables "Their period is shorter, typically less than one day, sometimes ranging down to seven hours." The others : A. Cepheid variables - have periods of many days B. Protostars - are variable in the T-Tauri stage, but they are very hard to observe for most observers and period is longer D. Nebulas - a
Question
Asked 6/20/2013 11:35:49 AM
Updated 10/23/2013 1:37:09 PM
1 Answer/Comment
Get an answer
New answers
Rating
0
The stars that have pulsation periods between 1.5 hours and 1.2 days are C. RR Lyrae variables

"Their period is shorter, typically less than one day, sometimes ranging down to seven hours."


The others :
A. Cepheid variables - have periods of many days
B. Protostars - are variable in the T-Tauri stage, but they are very hard to observe for most observers and period is longer
D. Nebulas - a nebula is not a star
Added 10/23/2013 1:37:09 PM
Comments

There are no comments.

Add an answer or comment
Log in or sign up first.
Questions asked by the same visitor
_______ was the first person to propose the idea of moving continents as a scientific hypothesis. A. Antonio Snider-Pelligrini B. Alfred Wegener C. Charles Richter D. Abraham Ortelius
Weegy: D. Abraham Ortelius was the first person to propose the idea of moving continents as a scientific hypothesis. (More)
Question
Expert Answered
Updated 291 days ago|9/15/2014 1:07:31 AM
2 Answers/Comments
It's wrong
Added 291 days ago|9/15/2014 12:32:01 AM
Flagged by jeifunk [9/15/2014 1:08:10 AM]
Alfred Wegener was the first person to propose the idea of moving continents as a scientific hypothesis.
Added 291 days ago|9/15/2014 1:07:29 AM
This answer has been confirmed as correct, not copied, and helpful.
All the processes that form mountain ranges are known as A. island arcing. B. compressive forces. C. arch vibrations. D. orogeny.
Weegy: All the processes that form mountain ranges are known as D. OROGENY. (More)
Question
Expert Answered
Asked 6/20/2013 9:57:52 AM
0 Answers/Comments
The process in which the floors of a building collapse on one another is known as A. a landslide. B. pancaking. C. earthquake panic. D. earthquake shakedown.
Weegy: The process in which the floors of a building collapse on one another is known as B) pancaking. (More)
Question
Expert Answered
Asked 6/20/2013 10:15:20 AM
0 Answers/Comments
21,551,061 questions answered
Popular Conversations
1/2 x +1/3 y = 0 1/4 x -1/2 y = 8 What is the solution of the system ...
Weegy: (0.4, 2) User: 2/3x -1/2 y = 3 1/2x + y = 5 Which of the following systems is equivalent to the given ...
7/2/2015 2:20:21 PM| 5 Answers
The slope of a line that is perpendicular to a line whose slope is ...
Weegy: An equilateral triangle has symmetry with respect to a line containing an altitude of the triangle. True. ...
7/2/2015 12:32:21 PM| 3 Answers
write the number in decimal form:fourteenand eighty-fourhundredths.
Weegy: Fourteen and eighty-four hundredths is 14.84
7/2/2015 6:07:53 AM| 2 Answers
round the decimal number to the nearest tenth:285.429
Weegy: 285.429 is equal to 290.
7/2/2015 6:19:24 AM| 2 Answers
_____________ was the first African American to receive the Nobel ...
Weegy: Ralph Bunch was the first African American to receive the Nobel Peace Prize. He won this for his peacemaking ...
7/2/2015 8:14:33 AM| 2 Answers
The sun's photosphere
Weegy: A. corona User: can only be seen during an eclipse
7/2/2015 8:31:49 AM| 2 Answers
Weegy Stuff
S
1
L
P
1
1
Points 99 [Total 1505]| Ratings 1| Comments 89| Invitations 0|Online
S
1
Points 51 [Total 562]| Ratings 0| Comments 51| Invitations 0|Offline
S
Points 31 [Total 31]| Ratings 1| Comments 21| Invitations 0|Offline
S
1
L
L
Points 24 [Total 8404]| Ratings 0| Comments 24| Invitations 0|Offline
S
P
C
L
P
L
1
P
P
1
P
1
P
Points 13 [Total 9542]| Ratings 0| Comments 13| Invitations 0|Offline
S
R
Points 4 [Total 206]| Ratings 0| Comments 4| Invitations 0|Offline
S
L
P
P
Points 4 [Total 3563]| Ratings 0| Comments 4| Invitations 0|Offline
S
Points 4 [Total 4]| Ratings 0| Comments 4| Invitations 0|Offline
S
Points 1 [Total 1]| Ratings 0| Comments 1| Invitations 0|Offline
S
Points 1 [Total 44]| Ratings 0| Comments 1| Invitations 0|Offline
Home | Contact | Blog | About | Terms | Privacy | Social | ©2015 Purple Inc.