Letters from the April 5, 2008, issue of Science News

Follow the glow

“State of the Universe: Microwave glow powers cosmic insights” (SN: 3/15/08, p. 163) brings up a question. This glow should be stronger in one direction, which can point us to the center of the universe. Is this possible?

Donald Burr
Novato, Calif.

Studies of the microwave glow reveal that Earth is moving surprisingly quickly relative to the cosmic background radiation.