Red sky at night, sailors delight. Red sky in the morning, sailors take warning. The saying “red sky at night…” is typically true if you’re in North America. In the mid-latitudes, weather systems travel west to east and the sun rises in the east and sets in the west. So a sun rising before any …
Humans cannot see all of the light that the sun emits but light detecting, spectroscopic, telescopes can. This image composite from NASA reveals that hidden light and x-rays radiating from the Sun and its atmosphere. Image captures like this can help us determine why the Sun’s corona reaches temps in the millions which is 100 times hotter …
The first known time humans have seen the other side of the Moon was in 1959 when a Soviet spacecraft flew past the dark side of the Moon.
Comets are frozen leftovers from the formation of the solar system composed of dust, rock, and ice. They range from a few miles to tens of miles wide, but as they orbit closer to the Sun, they heat up and spew gases and dust into a glowing head that can be larger than a planet. …
Green phytoplankton blooms can be seen forming from above this Swedish island. Phytoplankton blooms are population explosions that occur when deep currents bring an abundance of nutrients up to sunlit waters. A lot of sea critters eat phytoplankton but these blooms can actually become toxic. Phytoplankton require nutrients such as nitrates, phosphates, and sulfur which …