The Soviet Union beat the US to this, with the October 4, 1957 orbiting of Sputnik 1, and later beat the US to the first human in space, Yuri Gagarin, on April 12, 1961. The race peaked with the July 20, 1969 US landing of the first humans on the Moon with Apollo 11.
The definition of a luminary is an object giving off light, or a personality that is well known or enlightening to mankind. An example of a luminary is a candle.
A PWN is a nebula that is created by the material that is ejected by a pulsar interacting with random interstellar gas and the pulsarâs own magnetic field. PWNs are often difficult to distinguish from SNRs, since they often look very similar. In some cases, objects will appear with a PWN but no SNR.