Did You Know?
Astronauts grow taller in space.
Without Earth's gravity compressing their spines, astronauts can grow up to 3 inches taller during long space missions. This extra height is temporary, and they return to their normal height after coming back to Earth. This effect can cause back pain and makes it important to account for in spacecraft design.
Did You Know?
The most reflective planet in the solar system is Venus.
Venus reflects about 70% of the sunlight that reaches it, thanks to its thick cloud cover of sulfuric...
Did You Know?
Some exoplanets orbit around dead stars.
Several planets have been discovered orbiting pulsars, the incredibly dense remnants of exploded stars. The first confirmed exoplanets...
Did You Know?
There’s a Saturn-like planet that floats freely through space without a star.
PSO J318.5-22 is a gas giant planet that doesn't orbit any star. It floats freely through space, likely...