Did You Know?
There’s a star that pulses like a heart.
The star V838 Monocerotis expands and contracts in a regular pattern that resembles a beating heart. During its expansions, it becomes one of the brightest stars in the Milky Way. This pulsation is caused by complex interactions between the star's temperature and opacity.
Did You Know?
A day on Mercury is twice as long as its year.
Due to Mercury's slow rotation and fast orbit, it takes 176 Earth days for the Sun to move...
Did You Know?
The largest storm ever observed was bigger than Earth itself.
The Great Dark Spot on Neptune, observed by Voyager 2 in 1989, was large enough to contain the...
Did You Know?
Europa shoots water into space from 125-mile-high geysers.
Jupiter's moon Europa has massive water plumes that shoot from cracks in its icy surface. These geysers are...