Pluto in True Color
What color is Pluto, really? It took some effort to figure out. Even given all of the images sent back to Earth when the robotic New Horizons spacecraft sped past Pluto in 2015, processing these multi-spectral frames to approximate what the human eye would see was challenging. The result featured here, released three years after the raw data was acquired by New Horizons, is the highest resolution true color image of Pluto ever taken. Visible in the image is the light-colored, heart-shaped, Tombaugh Regio, with the unexpectedly smooth Sputnik Planitia, made of frozen nitrogen, filling its western lobe. New Horizons found the dwarf-planet to have a surprisingly complex surface composed of many regions having perceptibly different hues. In total, though, Pluto is mostly brown, with much of its muted color originating from small amounts of surface methane energized by ultraviolet light from the Sun.
Image Copyright: Image Credit: NASA, JHU APL, SwRI, Alex Parker
Night sees everything
Hard to either escape against your soul or hide the moon.
Neither-nor the night wins.
Let the Paloma lives...
📸 by Gaye • ✌🏻✌🏻
JunoCam Captures A Beautiful Solar Eclipse On Jupiter.
NASA’s Juno mission continues to snap pictures of Jupiter, which citizen scientists have been processing into absolute masterpieces. In the latest perijove, when the spacecraft is at its closest point to the planet, Juno captured the shadow of the volcanic Moon Io on the atmosphere of Jupiter.
On September 12, Io was blocking the Solar disk, casting its shadow on the colorful North Equatorial belt. Both Seán Doran and Kevin M. Gill shared beautiful views of the event, with a crisp silhouette of Io above the turbulent Jovian atmosphere.
When we look at solar eclipses from space, their contours are fuzzy (at least on Earth). The solar eclipse on Jupiter looks significantly different due to the systematic difference between the two systems. Our Moon looks roughly the same size as the Sun as seen from Earth, which allows for a less distinct shadow. “Why is the Moon’s shadow on Earth fuzzy while Io’s shadow on Jupiter is so sharp? Io is so big & close that it more than blocks the Sun (it appears 4x as big as the Sun from Jupiter’s perspective) and it’s so close that the penumbra (fuzzy outer edge of shadow) is super thin,” astronomer Dr Katie Mack commented on a Twitter thread about the pictures (Swipe left). .
The images were shot using JunoCam's instrument onboard the NASA spacecraft. The camera allows for views in visible light, with an incredible resolution of about 15 kilometers (9 miles) per pixel. The raw data is sent to Earth where people like Doran and Gill process it. Anyone can get involved through the JunoCam website. You can even suggest points of interest for future observations.
Image Credit: NASA/JPL
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Stars travel through the Universe with the risk of encountering a black hole. If they get to close, the gravitational attraction of a black hole can tear them apart.
When a star is too close to a black hole, its self gravity is to weak in comparison with the attraction of the black hole.
Each particle in the star feels a different attraction and tries to move in a different orbit. The result: the star gets destroyed.
These events are called Tidal Disruption Events
The star feels something we call tidal forces which, like the centrifugal force, are fictitious forces. Tidal forces produce tides on the Earth, the Moon and in the future could destroy Phobos (one of Mars' natural satellites). I have an old post explaining the origin of tidal forces #star#universe#astronomer#sciart#astronomy#cosmos#illustration#illustrator#vector#art#science#space#wanderingplanet#humor#comic#comics#physics#blackhole
ANNULAR SOLAR ECLIPSE!🌅
An annular solar eclipse is a particular type of solar eclipse, where the moon is too far to cover the whole solar disk, and so is possible to see something like a shining ring in the sky!😍
Oakland Raiders started out fast against the Chiefs , moving down the field and scoring a field goal to take the early lead. The key play of the drive was on a 3rd and 10 when Derek Carr hit WR Tyrell Williams for 19 yards along the sidelines to get the team into the Red Zone.
Comparison of the many blackholes in the universe!
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✨ Spectacular! 😍 🔭
When the☀️sun has set for the viewer, but the booster are in sunlight (~30/45mins after sunset).
Space Cadet Esther
These are called RCS (reaction control system) they are tiny thrusters that expell cold gas in order to control the 🚀rocket. Now in order to understand you have to understand that the 🌎Earth casts a round shadow, which is why after 🌅 sunset, the sky stays 💙blue/orange even tho you can’t see the sun. In this case the rocket went high enough to exit the Earth's shadow, and at that altitude, the pressure is so low that gases expend really fast, and since they are not in the shadow of the earth, they get lit up by the sun, and against a black sky, you can see it very clearly. 🔭
Are you ready to explore Space 🔭 @theourspace
Image credit: @spacex (Falcon 9)
I buchi neri del dopo scossa, i buchi neri che nessuno sa dove sono partiti e fin dove stanno arrivando, i buchi neri che sono io, che sei tu, i buchi neri struggenti, i buchi neri dell'hangover
Bu açık kümede yer alan yıldızlardaki renk çeşitliliği, sahip olduğu adın altında yatan gerçek sebeptir: Mücevher Kutusu. Merkezdeki parlak yıldızlardan biri, çevresini saran pek çok mavi yıldızın aksine kırmızı bir üstdevdir. Kapa (κ) Güneyhaçı olarak da bilenen küme yalnızca 100 civarında yıldız içermekte olup, yaklaşık 10 milyon yaşındadır. Açık kümeler daha genç olur, daha az miktarda yıldız içerir ve küresel kümelere kıyasla çok daha yüksek oranda mavi yıldız içerirler. Mücevher Kutusu bizden yaklaşık 6400 ışıkyılı uzaklıkta yer almaktadır; yani bugün gördüğümüz ışık kümeden Mısır'daki büyük piramitler inşa bile edilmeden önce yola çıkmıştır. Yukarıda bir fotoğrafı görülen Mücevher Kutusu, yaklaşık 20 ışıkyılı genişlikte olup, bir dürbün ile güney yarımküre takımyıldızlarından Güneyhaçı yönünde görülebilmektedir.
Kaynak : astrocabinet
My latest commission was for an 18th birthday present, a keep sake for someone about to embark on the next stage of their life.....the world is at his feet and nothing out of his reach. Next stop NASA!!!
Because most gases are difficult to observe directly, they are described through the use of four physical properties or macroscopic characteristics: pressure, volume, number of particles (chemists group them by moles) and temperature. These four characteristics were repeatedly observed by scientists such as Robert Boyle, Jacques Charles, John Dalton, Joseph Gay-Lussac and Amedeo Avogadro for a variety of gases in various settings. Their detailed studies ultimately led to a mathematical relationship among these properties expressed by the ideal gas law (see simplified models section below).
Gas particles are widely separated from one another, and consequently, have weaker intermolecular bonds than liquids or solids. These intermolecular forces result from electrostatic interactions between gas particles. Like-charged areas of different gas particles repel, while oppositely charged regions of different gas particles attract one another; gases that contain permanently charged ions are known as plasmas. Gaseous compounds with polar covalent bonds contain permanent charge imbalances and so experience relatively strong intermolecular forces, although the molecule while the compound's net charge remains neutral. Transient, randomly induced charges exist across non-polar covalent bonds of molecules and electrostatic interactions caused by them are referred to as Van der Waals forces. The interaction of these intermolecular forces varies within a substance which determines many of the physical properties unique to each gas. A comparison of boiling points for compounds formed by ionic and covalent bonds leads us to this conclusion. The drifting smoke particles in the image provides some insight into low-pressure gas behavior.