A radio telescope is simply a telescope that is designed to receive radio waves from space. In its simplest form it has three components: One or more antennas to collect the incoming radio waves.
Ryan Tedder, Evan Bogart, and Beyonce wrote Halo. If you do not recognize this song here is part of it: Do your halo halo...... do your halo halo remember those walls i built well baby they're tumbling down i didn't even put up a fight i didn't even make a sound. 1 person found this useful.
 Birthday  is a song by American recording artist Selena Gomez for her solo debut album Stars Dance (2013). It was written and produced by Mike Del Rio, with additional writing by Crista Russo and Jacob Kasher Hindlin. Matt Beckley also provided additional vocal production for the song.