Chocolate Lab

Distance between the hot spots =10.00 cm
Wavelength =20.00 cm
Wavelength =.20 m
Frequency of the microwave =2.5x10^9 H2m
Equation 20.32 x 25000000000
speed of light = 508000000000m/s

Two Sides to every story

I think that there are alien civilizations out there. Why couldn't there? It is foolish to think we are the only planet to have the right conditions. Space is honking huge and there has to be at least a couple of other planets with life. Maybe they just are not as smart as us. Or maybe they are but they are just having the same problems finding us that we are finding them.

Black Holes a type of dark matter

a. jets of gas, event horizon, accretion disc
b. the gravity is so strong that light cannot escape it
c. we can see the light escaping out (jets of gas)and we know they are at the center of galaxies
d. The radius of the event horizon around a black hole.