How to Signal Aliens

Want to ask some sort of crazy question about Space?: Tweet at us! @pbsspacetime Email us! pbsspacetime [at] gmail [dot] com Comment on Reddit: Help translate our videos! Let us know what topics you want to learn more about: Everyone has their own opinion as to whether or not aliens exist. But let’s assume they do for a second and we wanted to let them know we're here!!!! How should we signal our species' existence through the expanse of space? There are a few options, but which is the most effective and the cheapest? Find out in this week’s episode of PBS Space Time! Congrats to last week’s Balloon Challenge Winners! Юра Сороквторой Jonathan LeMoine Russell Subedi Stan Aron Alexander Keebler Extra Credit: Low detectability of our radio leakage by aliens (and vice-versa): (free version of above) Benford, Benford, Benford paper: Laser beacons / Optical SETI: Also discussed in Benford paper Luc Arnold paper on Transit Signatures of Artificial Objects: (open access) Kepler data access page (public data): COROT data access page (ESA's transit telescope, also public data): ----------------------------------------­­­­­­­­­­­­­----------------------------­-­-­- Comments: Blackmark52 Gary Oak Mastikator DJ braiser joseph199627 clay eickemeyer padriac54 Euan Johnson Josh Mullins danx505 Agen0000 lexis lex Pedro Gusmao Stephan W George Mpantes Music: Saw Slicing - Patternbased ( Heisse Luft - Thompson and Kuhl ( u dont know im fadin Deep Blue - Janne Hanhisuanto ( Earth Breath - Human Terminal ( Tropico de Tauro - Sr. Aye Secret Society - Logical Disorder ( New SpaceTime episodes every Wednesday! Hosted by Gabe Perez-Giz Made by Kornhaber Brown (www.kornhaberbrown.com)