TIL a teaspoon of matter taken from a neutron star would weigh around 10 billion tons, which is similar to the weight of an average earth mountain.    https://www.reddit.com/r/todayilearned/comments/2odcyg/til_mountain_dew_was_created_to_be_used_as_a/


TIL that the north star is 4000 times brighter than our sun. The light we see when we look at the north star was generated in the year 1587, and it has been traveling through space for 434 years to reach us.    https://www.reddit.com/r/todayilearned/comments/nansb4/til_that_the_north_star_is_4000_times_brighter/


TIL thanks to 3D printing, NASA can send plans for new tools and equipment to the Space Station over email. Instead of waiting months for gear, Astronauts can print new gear in hours.    https://www.reddit.com/r/todayilearned/comments/978mum/til_thanks_to_3d_printing_nasa_can_send_plans_for/


TIL If sound could travel through empty space, we’d be able to hear the sun at 125 decibels from Earth’s surface. In comparison, 120 decibels is a train horn about one meter away from you.    https://www.reddit.com/r/todayilearned/comments/dtm83q/til_if_sound_could_travel_through_empty_space_wed/


TIL that Pluto couldn’t even complete a solar orbit between being discovered and being declassified as a planet.    https://www.reddit.com/r/todayilearned/comments/5j5dyt/til_that_pluto_couldnt_even_complete_a_solar/


TIL Neptune has the strongest winds in the Solar System: 2,100 km/hour (1,304 mph).    https://www.reddit.com/r/todayilearned/comments/33m67c/til_neptune_has_the_strongest_winds_in_the_solar/


TIL There’s a diamond in the constellation Centaurus that is approximately 2,500 miles in diameter.    https://www.reddit.com/r/todayilearned/comments/8hh1pe/til_theres_a_diamond_in_the_constellation/


TIL that escape velocity of Deimos, one of Mars’s moons, is 20km/h – meaning you could easily throw something, or even ride a bike off a ramp, out of its gravity    https://www.reddit.com/r/todayilearned/comments/6cvk5y/til_that_escape_velocity_of_deimos_one_of_marss/


TIL that Uranus smells like farts because its atmosphere consists largely of hydrogen sulfide.    https://www.reddit.com/r/todayilearned/comments/conuo0/til_that_uranus_smells_like_farts_because_its/


TIL That there is a cloud of alcohol with a diameter 1,000 times larger than our solar system. It’s about 10,000 light-years away in the constellation Aquila. The amount of alcohol present in the cloud could serve up to 400 septillion (400, followed by 24 additional zeros) drinks.    https://www.reddit.com/r/todayilearned/comments/35maeg/til_that_there_is_a_cloud_of_alcohol_with_a/