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Light echoes from a supergiant star.
Dispersion of prism is a collection of sciencepics
An illustration of a diagram of Continuous spectrum illustrating the process of light refraction through a photon lens
Sirius is the brightest visible star. Image was shot using a remote telescope service.
The Pleiades star formation or asterism captured in a long exposure image from the northern hemisphere. Also referred to as the Seven Sisters and is the subject of the Subaru logo
More than 30 galaxies can be seen. Astronomical photography with apochromatic refractor 80mm
How a Tetraprism Enables Optical Zoom in a Smartphone Camera, Compact Optical Scheme Concept, 3D rendering
Geometrical interplay between pyramid and sphere: 3D digital illustration
Rosette Nebula is a large and circular H II region, located on the edge of a gigantic molecular cloud in the constellation of the Unicorn Monoceros, located in the band of the Milky Way.
Just 1500 lightyears from Earth and a breath of 5 light years.  Imaged captured with SeeStar S50 and processed with PixinSight.
Fantastic infrared scan of black eye iris, light reflection.
The Pleiades (or the Seven Sisters) is the name of an open cluster in the constellation Taurus.
Results from a lung/pulmonary function test (PFT). Shows spirometry graphs and measurements. Results are  within normal limits. PFTs are used to diagnose respiratory problems.
Abstract pixelated multicolored starburst background
An illustration of discontinuous spectrum, occurs when excited atoms emit light of certain wavelengths,
IC 443 (also known as the Jellyfish Nebula) is a galactic supernova remnant in the constellation Gemini. Its distance is roughly 5,000 light years from Earth. Astronomical photography with apochromatic refractor 80mm
Guide and information road sign in Quebec, Canada - Research institution.
Orion nebula. Image was shot using a remote telescope service.
Supernova remnant Sh2-240 (Simeis 147) Spaghetti Nebula spreading over Taurus and Auriga (monochrome image)
Blackboard with the Microscopium constellation drawn in the middle.
It's a new Moon! For astronomers, a new Moon means no Moon to look at.
This is an high resolution image of The Great Orion Nebula, in the constellation Orion (The Hunter).
A vibrant and colorful image of a star-filled night sky with a galaxy of red and purple hues
Perfect Abstract Colorful Vibrant Rainbow colored Sunset
black background with soft gradient colors. abstract red light effect in darkness
Iconic dark nebula.
closeup view on oculars of large professional telescope located indoors
Periodic system. Closeup of some elements
Milky way stars in the universe.
Herznebel am Himmel
Free Images: "bestof:Michelson1913.png en Test of emission theory Astrophysical Journal vol 37 p 190 Albert Abraham Michelson 1913 Special relativity Optics Physics experiments"
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