The Drake Equation seeks to estimate the number of technological civilizations in the galaxy
Indicate whether the statement is true or false
TRUE
You might also like to view...
If the absolute magnitude, M, of a supernova is x 19 and a galaxy is found that contains a supernova with an apparent magnitude, m, of 16 . What is the distance to the galaxy? Hint: dpc = 10(m - M + 5)/5 using a scientific calculator
a. 100 AU b. 100 pc c. 100 ly d. 100 kpc e. 100 Mpc
For an object in uniform circular motion, its velocity and acceleration vectors are always perpendicular to each other at every point in the path
A) True B) False
The radius of planet Relpek is identical to that of Earth, yet the mass is twice that of Earth’s. Your weight on Relpek, compared to your weight on Earth, is
A. quartered. B. halved. C. the same. D. doubled. E. quadrupled.
A horizontal force of 85.0 N is applied to move a 46.0-kg cart across a 4.0-m level surface. What work is done by the 85.0-N force?
a. 7.4E+0 J b. 1.6E+4 J c. 3.4E+2 J d. 9.8E+2 J e. 4.6E–1 J