... is in the part of the spectrum called microwaves. It corresponds to a temperature source of about 2.7 Kelvin's (about -271.35 degrees Celsius). This is just barely above the ultimate lower limit of temperature called absolute zero. This is the point at which all molecular motion ceases. It is unattainable, however. This radiation was measured by the COBE (Cosmic Background Explorer) satellite ... universe? Well, there are 3 possible things that could happen; One is the idea that the mass in the universe will use gravity and reverse the big bang. Another is the speed of the universe's ex...

• Word Count: 1082
• Approx Pages: 4
• Has Bibliography
• Grade Level: High School