At spectral type B1, Spica is about three times hotter than the Sun, so every square cm. of Spica must give off ________ times more energy than our Sun does
Fill in the blank(s) with correct word
81 or 3 to the fourth power
Physics & Space Science
You might also like to view...
Compare the value for thermal conductivity of Helium at 20ºC using Equation 2-3 and the value from Appendix Table B-4.
Physics & Space Science
The vertical displacement of a string is given by y(x,t) = (6.00 mm) cos[(3.25 m-1)x – (7.22 s-1)t]. What is the wavelength of the wave?
A) 3.25 m B) 1.93 m C) 0.870 m D) 0.308 m E) 0.139 m
Physics & Space Science
The nucleus of an atom contains
a. protons c. electrons b. neutrons d. all of the above
Physics & Space Science
A supercluster refers to a large group of stars within the Milky Way
a. True b. False Indicate whether the statement is true or false
Physics & Space Science