Galactic collisions are believed to be commonplace
Indicate whether the statement is true or false
TRUE
You might also like to view...
Like the Sun, main sequence stars are converting hydrogen into helium in their cores
Indicate whether the statement is true or false
In general, the spectral lines of molecules are
A) more complex than those of atoms. B) less complex than those of atoms. C) only absorption lines. D) the same as the atoms they contain. E) nonexistent.
A 4.00 kg hollow sphere (I = 2/3 
) is spinning with an angular velocity of 10.0 rad/s. The diameter of the sphere is 20.0 cm. The angular kinetic energy of the spinning sphere is
A. 1.75 J. B. 1.50 J. C. 1.33 J. D. 0.90 J. E. 0.75 J.
Which of these was NOT a telescopic discovery of Galileo?
A) the moons of Saturn B) the craters and mare of the Moon C) sunspots and the rotation of the Sun D) the four largest moons of Jupiter E) the phases of Venus