The new images—of when the cosmos was a mere 380,000 years old—show the "first steps towards making the earliest stars and ...
I didn't especially want to do that, but I learned a lot from it and a lot about engineering and microwaves. We were asked to build a radar at a wavelength of about 1 cm but found that 1 cm ...
The short wavelengths of the gamma radiation emitted in the initial explosion are believed to have become stretched due to the expansion of space into longer wavelength microwaves.