Redshift and blueshift describe the change in the frequency of a light wave depending on whether an object is moving towards or away from us. Source Share: Previous Post These are the best phones you can get on AT&T right now! Next Post NIO Leases Bigger San Jose Office Building For US HQ, R&D Center Related Articles Space Boeing to launch 2nd test flight of Starliner spacecraft for NASA on May 19 Space A high-speed particle struck the Gaia space telescope — but Gaia came back stronger than ever Space Earth tipped on its side (and back again) in ‘cosmic yo-yo’ 84 million years ago Space Space mining startup AstroForge aims to launch historic asteroid-landing mission in 2025 Space The sun fires off 2 powerful X flares in less than 2 hours (video, photo) Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment. × 9 = sixty three