Skip to main content

NASA & TRAPPIST-1: A Treasure Trove of Planets Found

7,552,330 Views

790 Questions Answered

Best of Web

Let’s Begin…

Seven Earth-sized planets have been observed by NASA's Spitzer Space Telescope around a tiny, nearby, ultra-cool dwarf star called TRAPPIST-1. Three of these planets are firmly in the habitable zone. In this video, NASA Scientists explain the implications of this amazing find.

How many of those planets are in the habitable zone around the star?

Login to answer question

About TED-Ed Best of Web

TED-Ed Best of Web are exceptional, user-created lessons that are carefully selected by volunteer teachers and TED-Ed staff.

Meet The Creators

More from Out Of This World