ProjectH

Elon Musk a few seconds before sunset 😁

#RamadanKareem #رمضان_كريم

#Ramadan

https://plus.google.com/+BasharGhadanfar/posts/5f1UToKo4Ro

Colin Sullender originally shared:

Müller-Lyer Illusion

Optical illusions are distortions in our visual system characterized by a perception that appears to differ from reality. There are three major types of optical illusions: physical, physiological, and cognitive. Physical illusions are caused by the physical environment, such as refraction making a spoon immersed in water appear to bend. Physiological illusions arise in the eye or the visual pathway and can be caused by excessive stimulation of receptors (e.g. afterimage after seeing a camera flash). Cognitive illusions, such as the one below, are the result of unconscious inferences based on assumptions about how the world should look and are the most widely known type of optical illusion.

The popular Müller-Lyer Illusion consists of equal length line segments with variable fin orientations, which causes the brain to misinterpret the actual length of the line segment. A complex example of this optical illusion is shown in the animation below. Despite the blue and black line segments remaining static, the context provided by the fin positions tricks our brain into interpreting it as changes in line segment length.

There are two hypotheses for how exactly this cognitive optical illusion manifests. The first relies upon our ability to judge depth based on perspective. The fins are misinterpreted by the brain as depth cues, which results in an erroneous assumption of a 3D scene. The second relies upon how the brain computes perceived location using the centroid of an object's luminance. The orientation of the fins causes a shift in the centroid and results in a misjudgement of distance.

Source: https://www.giannisarcone.com/Muller_lyer_illusion.html

#ScienceGIF #Science #GIF #Optical #Illusion #Muller #Lyer #Arrow #Pulsating #Star #Segment #Radial #Sociology

Constantine (BogKY) originally shared:

The blue hour of the golden moon

Perhaps it was the most amazing moment of the lunar eclipse. Immediately after the full phase (I observed from #Western_Siberia), the southern pole began to flare up, freed from the shadow of the Earth ...

And at that moment, the colors typical of the golden hour (so familiar to us on earth during the sunset and dawn), and - at the same time! - colors characteristic of the blue hour.

Only on Earth do we observe the blue hour after sunset (or before sunrise). But the blue hour of the moon coincided with the appearance of the first rays of the sun on it.

#Space_BogKY #BogKY #Astrophotography #Moon #Moon_eclipse

I would recommend viewing this photo for a better impression of the colors from the photohosting on the link:

https://img-fotki.yandex.ru/get/372565/127683550.46/0_18d19b_c6e61975_orig Tech.details-brief: Sony Alpha 7R2 / ILCE-7Rm2 (APS-C mode)(ISO800), Celestron NexStar 4 SE(1325mm f/13), 10s; RAW

https://plus.google.com/+BasharGhadanfar/posts/GGfVH1G2x5U

Jale originally shared:

Auroras in Jupiter’s Atmosphere

Astronomers are using NASA's Hubble Space Telescope to study auroras — stunning light shows in a planet's atmosphere — on the poles of the largest planet in the solar system, Jupiter. This is an image composite of two different Hubble observations. The auroras were photographed during a series of Hubble Space Telescope Imaging Spectrograph far-ultraviolet-light observations taking place as NASA's Juno spacecraft approaches and enters into orbit around Jupiter. The full-color disk of Jupiter in this image was separately photographed at a different time by Hubble's Outer Planet Atmospheres Legacy (OPAL) program, a long-term Hubble project that annually captures global maps of the outer planets.

Credits: NASA, ESA, and J. Nichols (University of Leicester), (2016)

A Syrian mother bathing her son in the middle of a cold wintry nowhere.

#syria #2018

Filippo Salustri originally shared:

Venus/sun occultation, where the sun is imaged in 3 different UV colours. We won't see this kind of eclipse again till 2117.

https://plus.google.com/+BasharGhadanfar/posts/PHYUDcxga2q

जूीीाे Rey Torres ूजीीाे originally shared:

NASA's Cassini spacecraft looks down at the rings of Saturn ( August 14, 2016 ) from above the planet's nightside.

Launched in on Oct. 15, 1997, Cassini's mission to explore Saturn ended on Sept. 15, 2017 with a deliberate plunge into Saturn's atmosphere. The spacecraft collected and transmitted data until the very last seconds of the mission. Total Mission Elpased Time: 19 years, 11 months, 0 days, 3 Hours, 12 Minutes and 46 Seconds.

credits by: NASA - CASSINI 1997-2017

Sandro G. originally shared:

Júpiter in all its Glory

https://plus.google.com/+BasharGhadanfar/posts/SaRvRNnyGEE

وتحسب أنك جرم صغير .. وفيك انطوى العالم الأكبر

داؤك منـك ومـا تبصـــر .. دواؤك فيـك ومـا تشعــــر

من أعمال المصمم Pier Paolo

#الإنسان

I just made the top 5% in the Google Translate Community! https://buff.ly/2p2Lmhj #language #translation

https://plus.google.com/+BasharGhadanfar/posts/9nVLp4QPGtL

Islamic Cooperation regards US administration’s #Jerusalem decision as withdrawal from its role as sponsor of peace and holds US wholly responsible for the consequences of not retracting this illegal decision. https://buff.ly/2AI4rdZ #OIC #JerusalemIsTheCapitalofPalestine #Islam #AlAqsa

https://plus.google.com/+BasharGhadanfar/posts/awY5S2EwMLM

http://www.middleeastmonitor.com/20171209-makkah-and-madinah-imams-silent-on-jerusalem-in-friday-sermons/amp/?__twitter_impression=true

US decision on #Jerusalem contradicts international law: Erdoğan

https://plus.google.com/+BasharGhadanfar/posts/WEZdR1msqgx