RXJ1800, a galaxy, lies very near in the sky to the bright star Vega. What is the best explanation for them appearing close together?
A) They coincidentally lie along the same line of sight.
B) Vega must have recently formed in RXJ1800 and been ejected.
C) Their random motions have caused RXJ1800 and Vega to drift to within a few light- years of each other.
D) Vega orbits the center of mass of RXJ1800.
Correct Answer:
Verified
Q1: The Moon is nearly tidally locked to
Q2: How many arcminutes are in one degree?
A)360
B)60
C)3600
D)10,000
E)100
Q3: Which of the following best describes why
Q4: What do astronomers mean by a constellation?
A)A
Q6: What conditions are required for a lunar
Q7: If the Moon is relatively far from
Q8: Ancient people who knew the saros cycle
Q9: You experience night- time when
A)the Earth revolves
Q10: For most of history, the lack of
Q11: All the following statements are true. Which
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents