How do astronomers detect the movement of galaxies?
A. the steady dimming of the galaxy's light
B. the disappearance of the most distant galaxies as they move past the cosmic horizon
C. the shift in spectral lines of the galaxies
D. the rapid brightening of the galaxy's light
Answer: C
You might also like to view...
The most well-known impact crater in North America is
A) Crater Lake in Oregon B) Meteor Crater in Arizona C) Great Crater in Iowa D) Odessa Crater in Texas
The segment of wire (total length including portions of incoming and outgoing wire = 6R) is formed into the shape shown and carries a current I. What is the magnitude of the resulting magnetic field at the point P?
A.
B.
C.
D.
E.
The United States' effort to build an atomic bomb was named the ______________ Project
Fill in the blank(s) with correct word
Homogeneous mixtures are those mixtures that have variable but ______________ composition
Fill in the blank(s) with correct word