On April 3, 2017, as Jupiter made it nearest approach to Earth in a year, NASA's Hubble Space Telescope viewed the solar system's largest planet in all of its up—close glory. At a distance of 415 million miles (668 million km) from Earth, Jupiter offered spectacular views of its colorful, roiling atmosphere, the legendary Great Red Spot, and its smaller companion at farther southern latitudes dubbed "Red Spot Jr."
Credit: NASA/ESA HUbble Space Telescope OPAL programme, STScI, Karol Masztalerz
The K-300P Bastion-P is a Russian mobile coastal defence missile system. It weights 3.000 kg with a length of 9 meters and 0.7 meters of diameter. It's engine produces 4 tons of thrust, allowing it to reach 3100 km/h (2.5 Mach➡️2.5 times the speed of sound)
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“The Penguin & The Egg” 🐧
Astronomers detected two galaxies☄ interacting at a distance of 300 million light years. Before getting too close to each other, the upper colorful galaxy (named NGC 2936) was minding its own business. It was spinning🌪in space trying to create new stars. Then, it got too close to a massive elliptical galaxy ( NGC 2937) shown in the lower part...
Gravitational interactions are mixing the stars🌟 and compressing gasses to form even more stars. The red dustthat has been inside the center of the galaxy has been mostly thrown out due to the collision...
In a billion years these two galaxies will merge to form a larger galaxy that astronomers have already named as “The Penguin & The Egg”...
Sculpted by stellar winds and radiation, a magnificent interstellar dust cloud by chance has assumed this recognizable shape. Fittingly named the Horsehead Nebula, it is some 1,500 light-years distant, embedded in the vast Orion cloud complex. About five light-years "tall", the dark cloud is cataloged as Barnard 33 and is visible only because its obscuring dust is silhouetted against the glowing red emission nebula IC 434. Stars are forming within the dark cloud. Contrasting blue reflection nebula NGC 2023, surrounding a hot, young star, is at the lower left of the full image. The featured gorgeous color image combines both narrowband and broadband images recorded using several different telescopes.
Image Credit & Copyright: Mark Hanson & Martin Pugh, SSRO, PROMPT, CTIO, NSF
Photo à courte focal de la région du sagittaire . Cette dernière est riche en nébuleuses (M8 au centre M20 au-dessus et plus discret NGC6559 à gauche de M8), en amas globulaires (M21, NGC6568, NGC 6469 et NGC 6553). Cette région est aussi extrêmement proche du cœur galactique, la concentration d'étoile sur cette photo est donc incroyablement haute.
Config: 30img x 180s, ISO 800, DOF 21 21 0. 300mm f 5
Setup :Nikon Z7, monture équatorial eq-3, Téléobjectif Sigma 50-500mm f 4,5-6,3 APO DG OS HSM.
Шмохин Виктор Михайлович (1940)-заслуженный художник России.
В 1962-1965 гг. учился в Азербайджанском государственном художественном училище, в 1965-1966 гг.-в МГАХУ памяти 1905 г. С 1966 г. принимал участие в московских, республиканских, всесоюзных и международных выставках.
В 1966-1972 гг. учился на графическом факультете МГХИ им. В. И. Сурикова в мастерской станковой графики Е. А. Кибрика.
Работы мастера украшают музей космонавтики в Москве.
Частные коллекции всего мира.
. "Начало космической жизни"
Bioluminescence captured by @mohammadsadeghhayati
Facts about bioluminescence:
Insects (e.g., fireflies, glow worms) and deep sea ocean animals (e.g., squid, hatchetfish) aren’t the only ones that emit light. Many plants (e.g., jack-o’-lantern mushroom, algae) also produce bioluminescence.
Bioluminescence is light emitting from a living organism. Bioluminescence is produced through a chemical reaction, which is what sets is apart from fluorescence or phosphorescence.
Luciferin and luciferase are the two chemicals that must be present for an organism to luminesce. Luciferin produces the light and luciferase is the catalyst. Life in the sea most often use coelenterazine, a type of luciferin.
Sailors commonly saw waves glowing in the wake of ships. This was caused from dinoflagellates, a single-celled algae, which glows when its startled.
Anglerfish use a long illuminated appendage, called a protuberance, to attract young and vulnerable prey. Luring prey is one way bioluminescence is used to an animal’s advantage. They may also use it to stun prey or to attract or recognize a mate.
Conversely, many animals use bioluminescence as a defense mechanism. They’ll cleverly create smoke screens or burglar alarms, as well as counterilluminate or startle predators.
Some animals that luminesce use it defensively and offensively.
Sperm whales, the deepest divers of all the whales, depend on bioluminescence to help locate food. Echolocation is also key to locating food.
The U.S. Navy tapped into the science community for help to develop products that monitor bioluminescence because bioluminescent algae have been known to endanger military missions.
The pulsing light of creatures found in the deep sea is “perhaps the most common form of communication found on our planet”. That phrase was from a video (below) which takes us on a visual journey of what the first deep sea explorer, William Bebe, described in 1934 from his expedition off the coast of Bermuda. This video was produced by National Geographic. #universe_dope