The signal from the antenna is then piped into an inexpensive ... or the speed of rotation of the Milky Way galaxy relative to distance from its center. We’ve seen other budget H-line SDR ...

A giant galaxy measuring 3.3 million light-years across has been found by astronomers using the ... [+] South African MeerKAT radio telescope, an array of 64 antennas in the Meerkat National Park ...

The emission was equivalent to a 20 trillion watt omnidirectional broadcast, and would be detectable by a SETI experiment just about anywhere in the galaxy, assuming a receiving antenna similar in ...

This striking image from the NASA Hubble Space Telescope captures the interacting galaxy pair known as Arp-Madore 2339-661. The peculiar spiral galaxy ESO 415-19, which lies around 450 million ...

The Pinwheel Galaxy lies 21 million light-years away in the Ursa Major constellation. The Antennae Galaxies are rich in black holes and neutron stars, driving rapid star formation and evolution. This ...