The speed of light in a vacuum is 186,282 miles per second (299,792 kilometers per second), and in theory nothing can travel faster than light. Source Share: Previous Post Your kids can soon access YouTube Music without messing up your history Next Post The First Pre-Production Cadillac Lyriq Rolls Off The Line Related Articles Space Citizen scientists spot more than 1,000 new asteroids in old Hubble Telescope photos Space Chinese astronauts land after historic 3-month mission to new space station Space Electrons: Facts about the negative subatomic particles Space Why we’re one step closer to understanding how Earth got its oceans (op-ed) Space This Week In Space podcast: Episode 132 — Living in Martian Mushrooms Leave a Reply Cancel replyYour email address will not be published.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. − 2 = six