Due to the speed of its orbit and rotation, Mercury’s days are longer than its years.
Buzz Aldrin’s mother’s maiden name: Moon.
In 1960, a pilot rode a balloon to the edge of space, then sky-dived back at 988 km/hr.
Saturn’s rings are only about 10 meters (30 feet) thick.
The distance between local stars in our galaxy is analogous to two grains of sand over 30 miles apart.
You can send an Internet “postcard” with a message to the crew of the International Space Station.
The lowest note in the known universe is caused by the rumbling of a black hole in the Perseus galaxy. its 57 octaves below middle C.
You would not die or instantly freeze in space. If treated quickly you can survive up to 2 minutes of exposure.
Astronomers have reported seeing lights, hazes and other phenomena on the surface of the moon. This is known as Transient Lunar Phenomena.