Rare footage of the glass octopus (Vitreledonella richardi), its translucent appearance helps it hide from predators.
Video credit: Schmidt Ocean Institute
Further reading: https://www.livescience.com/rare-glass-octopus-sighting.html
This is what an erupting volcano looks like from space.
Credit: NASA Johnson
More details: https://earthobservatory.nasa.gov/images/38985/sarychev-peak-eruption-kuril-islands
Starburst Galaxy M94 from Hubble
Image Credit: ESA/Hubble & NASA
This is what fine table salt looks like magnified 150 times with an electron microscope.
Credit: Todd Simpson/UWO Nanofab
CC BY-NC-ND 2.0
An arctic fox shedding its winter coat. Arctic foxes are well adapted to the cold, surviving temperatures as low as −50 °C (−58 °F).
Photo Credit: Kevin Morgans
Read more about these tough little foxes: https://animals.howstuffworks.com/mammals/arctic-fox.htm
Astronaut Jack Fischer's amazing view of the Earth during a spacewalk on May 12, 2017.
Video credit: NASA Johnson
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Loops of superheated plasma larger than the Earth dancing across the Sun, recorded by the Solar Dynamics Observatory spacecraft.
Credit: SDO/NASA Goddard
Further reading: https://www.nasa.gov/mission_pages/sdo/news/coronal-rain.html
A snapping turtle emerges from weeks of sleeping beneath a muddy lake that had dried up.
Image credit: Timothy C. Roth
Further reading: https://www.livescience.com/64215-earth-turtle-photo.html
Colored droplets in corn syrup seemingly blended together can be returned to their original state by reversing the direction of mixing, a form of laminar flow called "Stokes flow".
Video credit: UNM Physics & Astronomy
Further reading: https://en.wikipedia.org/wiki/Stokes_flow
The size of Earth compared to the rings of Saturn.
Fifteen uncoupled simple pendulums of monotonically increasing lengths dance together to produce visual traveling waves, standing waves, beating, and random motion.
Credit: Harvard Natural Sciences Lecture Demonstrations
Source and further reading: https://sciencedemonstrations.fas.harvard.edu/presentations/pendulum-waves
Sunrise over Earth seen from space.
The Green Dragontail Butterfly (Lamproptera meges) is a species of swallowtail butterfly found across Southeast Asia. The butterfly is known for its long, white-tipped tail, transparent forewings, and its quick and erratic flight patterns.
Video credit: Kazuo Unno
Source: https://www.goo.ne.jp/green/life/unno/movie/movie.html?movieid=1340715995
"The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home."
— Carl Sagan
The Milky Way over La Silla Observatory. Credit: ESO/S. Brunier