Interstellar space is filled with blackbody radiation that has a distribution peaking a his radiation is considered to be a remnant of the "big bang. wavelength of 970 um. what is the corresponding blackbody temperature of this radiation?

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

you go to your settings preference and in the end youll see sth that says "i want to delete my acc" click on it and u'll acc will be deleted but u have to wait.

the answer is b, have negligible mass