Facts About a Octopus

Octopuses are aquatic creatures with eight arms, three hearts, blue blood, and the ability to squirt ink. Incredibly intelligent creatures that have even been observed using tools; some even seem capable of opening wired-closed clamshells! These incredible animals live alone and construct dens from rocks they find themselves, moving each rock piece to place with…

What is the Planet Closest to Earth in Size?

People frequently ask, “Which planet is closest to Earth in size?” Unfortunately, the answer lies within how distance is measured. Kepler-452b, located 1,194 light years from Earth, is approximately 60% larger than Earth and orbits within its host star’s habitable zone, giving researchers reason to believe there’s an excellent chance it could support life. Venus…

Why is the Sky Really Blue?

Sky blue color results from air molecules scattering light. Short wavelengths like blues bounce around more, while longer ones such as red can just wiggle through more freely. Rayleigh scattering was first developed by Lord Rayleigh in 1871. The Sun One major contributor to why the sky appears blue is due to sunlight hitting Earth’s…

The National Archive Digitizes Apollo Mission Footage at High Resolution

National Archive employees collaborated closely with filmmakers to digitize their film footage at high resolution for better clarity than would have been possible with original technical restrictions. Miller did not exploit this aspect in his movie. Instead, Miller used this image of astronauts wearing spacesuits as an allusion to their monumental mission and its associated…

Exploring Uranus With a Spacecraft to Uranus

Voyager 2’s brief flyby of Uranus in 1986 provided much of what astronomers know about it; yet, its brief encounter also left behind surprises which are still being researched today by scientists. Now, an influential group of scientists have proposed that NASA make exploring this mysterious ice giant a top priority. However, which instruments should…