A star is observed with a surface temperature of 3,000 K and a luminosity of 105 solar. What is the approximate radius of this star?
A) 30 Msun
B) 0) 3 Msun
C) 3 Msun
D) The radius cannot be determined.
Correct Answer:
Verified
Q83: A star of spectral type B with
Q84: A main- sequence star's luminosity can directly
Q85: Our Sun is a star of spectral
Q86: The faintest star visible to the naked
Q87: Which of the following statements about open
Q89: The youngest star cluster is the one
Q90: What is a white dwarf?
A)a main- sequence
Q91: What are the standard units for luminosity?
A)kilograms
B)Watts
C)Watts
Q92: Which of the following stellar properties has
Q93: You observe a star and you want
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