› added 12 years ago

462

TIL Martian sunsets are blue

Read more npr.org

via reddit.com

6E0M8 TIL in 2005, Astronaut Stephen Robinson had to fix the Shuttle Discovery in orbit to make it to Earth alive. Material sticking out between the heat panels had to be removed to avoid burning up on re-entry. He improvised tools, including a saw made with duct tape, and removed it on a spacewalk.
woOY1 TIL there are things called Astronomical, Nautical and Civil twilights. I just call them dawn lol.
GRp7 TIL Mormon founder Joseph Smith purchased Egyptian papyri from a traveling mummy exhibit. His translation of the text was entirely inaccurate but Mormons still regard this text to be true and as sacred as the Bible or Book of Mormon.
DEaJ TIL $44 billion worth of gift cards have gone unredeemed since 2008
GRnN TIL because their digestive systems are so slow, sloths can starve on a full stomach.