The Helios Missions (VIDEO) NASA/Goddard Space Flight Center This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption In the days before Parker Solar Probe, the record-breaking spacecraft for speed and closest approach to the sun were the two Helios probes, launched in the mid-1970s. This visualization shows the orbits of Helios 1 and Helios 2, from an oblique view above the ecliptic plane. Watch on YouTube: https://www.youtube.com/watch?v=b4YtTRb-c4g Download in HD: https://svs.gsfc.nasa.gov/4703 Credit Tom Bridgman/NASA's Scientific Visualization Studio Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.