The “surfer waves” in this image, forming high above the Alaskan sky, illuminate the invisible currents in the upper atmosphere. They were measured by trimethyl-aluminum gas released during a sounding rocket launch from Poker Flat, Alaska, on Jan. 26, 2018. Scientists photograph the gas, which is not harmful to humans, after it instantaneously ignites when exposed to oxygen. The findings were…
Tag: photograph
New Imaging System Creates Pictures By Measuring Time
An anonymous reader writes: Photos and videos are usually produced by capturing photons — the building blocks of light—with digital sensors. For instance, digital cameras consist of millions of pixels that form images by detecting the intensity and color of the light at every point of space. 3-D images can then be generated either by positioning two or more cameras around…
The awesome beauty of the Eagle Nebula
The Eagle Nebula – aka Messier 16 or M16 – is home to several well-known cosmic structures, including the stunning Pillars of Creation and Stellar Spire. Source: https://earthsky.org/clusters-nebulae-galaxies/the-awesome-beauty-of-m16-the-eagle-nebula…
1st direct image of 2 giant exoplanets orbiting a sunlike star
For the 1st time ever, astronomers have photographed more than one giant exoplanet orbiting a sunlike star. The planetary system is similar to our solar system, but younger. Source: https://earthsky.org/space/1st-photos-gas-giant-exoplanets-tyc-8998-760-1…
To photograph comet Neowise, it takes patience and placement
The newly discovered comet Neowise is only visible from Earth once every 6,800 years, and photographers who want to document it seek places with high elevation and little smog or light pollution. A place like North Carolina’s famed Grandfather Mountain. Source: https://phys.org/news/2020-07-comet-neowise-patience-placement.html…
Comet NEOWISE and Nebulae
Would you brave wild animals to photograph this sky? Source: https://apod.nasa.gov/apod/astropix.html…
Viral image shows fish with human-like teeth
A photograph of a very strange looking fish with lips and teeth like those of a human has gone viral online. The peculiar specimen, which was posted o… Source: https://www.unexplained-mysteries.com/news/338268/viral-image-shows-fish-with-human-like-teeth…
This day in 2013: The Day the Earth Smiled
Today is the anniversary of The Day the Earth Smiled, the 3rd-ever image of Earth from the outer solar system, taken by the great Cassini spacecraft on July 19, 2013. Source: https://earthsky.org/space/the-day-earth-smiled-2013-cassini-image-of-earth-moon-planets…
How many ETs are in our galaxy? Ask the Alien Civilization Calculator
Researchers at Omni Calculator have created the Alien Civilization Calculator, a unique combination of two different methods of trying to determine how many advanced alien civilizations may exist in our galaxy. Source: https://earthsky.org/space/alien-civilization-calculator-extraterrestrial-intelligence-seti…
‘Astonishing discovery’ of massive prehistoric circle near Stonehenge
An ancient circle of deep trenches has been found near Stonehenge. Scientists say the newly discovery site offers insights into the lives of people who lived in the area 4,500 years ago. Source: https://earthsky.org/human-world/discovery-massive-prehistoric-circle-trenches-near-stonehenge…