3017 (via JustinHillister)

Voyager 1’s approach to Saturn, 1980.

Iridescent clouds, looking like a rainbow in the clouds.

A diffraction phenomenon caused by small water droplets or small ice crystals individually scattering light. Larger ice crystals do not produce iridescence, but can cause halos, a different phenomenon.

Dropping Ice Down a 90m Borehole in Antarctica Makes a Very Unexpected Sound

NASA scientists working back in 1961 looks pretty similar to us trying to make plans in a group message today. 😂 📷: J. R. Eyerman, LIFE magazine t http://ift.tt/2erI9TF

there IS actually a reason why seconds and minutes (and degrees for geometry) are in base 60 instead of base 10, and if you want to blame someone for that, blame the very specific way Babylonians counted with their fingers.

Jupiter's Moon IO: Jupiter's fifth moon, Io, is the most volcanically active body in the solar system. Io's surface temperature averages about minus 202 degrees Fahrenheit (minus 130 Celsius), resulting in the formation of sulfur dioxide snowfields. But Io's volcanoes can reach 3,000 F (1,649 C). Io is often referred to as a celestial body of fire and ice. (source)

Pulling apart duct tape causes chemical bonds to break which indirectly gives rise to a faint blue glow in an effect called triboluminescence 

some of my favourite microscope images I’ve taken

please don’t repost without credit

the new composite james webb image is so beautiful ive been staring at it for 10 minutes straight

featuring jupiters rings, amalthea (along with a bunch of other moons), the northern and southern auroras, and the great red spot

EDIT: FAQs answered here