Did You Know?
The Sun’s atmosphere is much hotter than its surface.
Counter-intuitively, the Sun's outer atmosphere (corona) is about 300 times hotter than its surface, reaching temperatures over 1 million degrees Celsius. This 'coronal heating problem' has puzzled scientists for decades and may be related to magnetic waves or nanoflares.
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...