Astrophysical Collection (page 12)

Deneb and emission nebulae. Deneb (Alpha Cygni, lower left) is a blue giant, and one of the most powerful stars known. It is the 19th brightest star in the night sky despite its huge distance

Pluto, Charon and new moons, 2006
New moons of Pluto. Hubble Space Telescope (HST) images of Pluto (centre) and its large moon Charon (below and right of Pluto), and two newly discovered moons

Quaoar in the Kuiper belt
Quaoar in the Kuiper Belt, artwork. Discovered in 2002 and with a diameter about half that of Pluto, Quaoar is one of the largest objects yet found in the Kuiper Belt

IC 423 and IC 426 reflection nebulae, optical image. IC 423 is at lower right; IC 426 at upper left. These nebulae are reflection nebulae in the constellation Orion

Cave nebula (SH2-155), optical image. This nebula is an emission nebula, known as the Cave nebula because of the dark regions on the northern edge

Sun reflected in a solar panel. Also known as photovoltaic systems, solar panels are a means of converting the suns rays into direct electrical current

Solar flare threatening Earth. Computer artwork of the Earth being threatened by solar flares from the Sun. A solar flare is an explosion in the Suns atmosphere that causes a large increase in levels

Sedna. Computer artwork of the surface of Sedna, one of the largest objects in the Kuiper Belt of the outer solar system. It is a candidate for a tenth planet because it has a relatively stable

Sun internal structure, computer artwork. The central region of the Sun is the core (yellow/white), where hydrogen nuclei are fused together to form helium

Emission nebula NGC 2174. North is at top. The nebula is also called the Monkey nebula. It is a cloud of gas and dust that emits light as the hydrogen gas it contains is ionised by radiation from hot

Comet Holmes in Perseus, November 2007
Comet Holmes (17P/Holmes) in the constellation of Perseus, optical image. The comet is the green dot just above centre left. This image was obtained on 1 November 2007

Galaxy formation. Image 1 of 3. Supercomputer simulation modelling the growth of galaxies. This image shows the expansion of primordial gas 0.3 billion years after the start of the simulation

Emission nebulae IC 1848 and IC 1805
Emission nebulae IC 1805 and IC 1848. North is at top. These nebulae are also known as the Heart and Soul nebulae. The Soul nebula (IC 1848) is at lower left

California nebula (NGC 1499). North is at top. This is a huge cloud of gas that glows as the hydrogen it contains is ionised by radiation from the hot star Menkib (Xi Persei, centre right)

Kuiper Belt objects
Kuiper Belt. Artwork of icy bodies in the Kuiper Belt of the Solar System. This region, which extends from the orbit of Neptune at 30 AU (30 times the Earth-Sun distance) to 50 AU

Comet nucleus, computer artwork
Comet nucleus. Computer artwork of the nucleus (centre) of a comet, surrounded by gas and dust that has erupted or boiled from its surface

The rings of Saturn, artwork
The rings of Saturn. Artwork of the view from inside one of the rings of Saturn. The presence of rings around Saturn was first inferred by the astronomer Huygens in 1659

North America nebula. North is at top. This nebula (centre left) is named for its resemblance to the continent. It is part of the same nebula as the Pelican nebula (IC 5067-70, centre right)

Emission nebula, computer artwork
Emission nebula. Computer artwork of an emission nebula. Nebulae are huge clouds of interstellar gas and dust. Emission nebulae are starbirth regions that glow red due to the ionisation of hydrogen

Sunspots. Swedish One-metre Solar Telescope image of sunspots on the surface of the Sun. Sunspots are cooler regions of the Suns surface that appear dark against their brighter, hotter surroundings

Charons shadow cast on Pluto
Solar eclipse on Pluto as viewed from its moon Charon, artwork. Charons shadow can be seen projected onto the centre of Pluto. From within that shaded region the Sun would appear eclipsed

Planet migration, artwork
Planet migration. Computer artwork suggesting the gradual inward migration of a large planet (sphere, centre right) around a distant star (yellow, centre)

Star, computer artwork

Supernova explosion, computer artwork. Supernovas are the explosive deaths of massive stars. A supernova will occur when a star runs out of fuel at the end of its life

Red giant seen from a planet, artwork
Red giant (upper right) seen from a planet in orbit around it, computer artwork. A red giant is one of the final stages in the life of a Sun-like star

Galaxy collision model
Galactic collision. Image 2 of 2. Supercomputer model of a collision between two spiral galaxies. The top left frame is 200 million years after the bottom right frame in image R826/090

Dark matter, conceptual artwork
Dark matter, conceptual composite artwork. Black jigsaw pieces in space, representing the gaps in our understanding of the universe, and the prescence of dark matter

Great Rift in the Milky Way. The Great Rift is the name given to the prominent dark lane running through the bright Milky Way, from upper left to lower right

Early Earth-like planet, artwork
Early Earth-like planet. Computer artwork of an alien (extrasolar planet), showing silicate crystals on its surface. As Earth-like planets cool

Time dilation, conceptual artwork
Time dilation. Conceptual computer artwork representing time dilation, showing a sand timer moving into a black hole. Time dilation is a phenomenon in which objects experiencing higher gravitational

Brown dwarf, computer artwork
Brown dwarf. Computer artwork of a brown dwarf " star". A brown dwarf is a hypothetical planet that began to accumulate material like a star

Sky seen from an alien world, artwork
Sky seen from an alien world. Computer artwork of the view from the surface of an alien (extrasolar) planet orbiting a star (orange, lower right) that lies within a globular star cluster

Landscape of an alien world, artwork
Landscape of an alien world. Computer artwork of the view from the surface of a alien (extrasolar) planet orbiting the star Beta Pictoris (orange). A moon is also seen at upper centre

Alien planet and asteroid, artwork
Alien planet and asteroid. Computer artwork of an asteroid (foreground), an alien (extrasolar) planet (middle ground) and the star the planet is orbiting (background)

Waves on a white dwarf star
White dwarf star waves. Image 3 of 3. Computer model of kilometre-high waves on the surface of a white dwarf star, a small, dense star formed at the end of a Sun-like stars life

X-ray binary, artwork
X-ray binary star system, artwork. Material is being gravitationally drawn from the giant blue star (right) by a black hole (left). The material has formed an accretion disc around the black hole

Colliding galaxies Arp 148, HST image
Colliding galaxies Arp 148, Hubble Space Telescope (HST) image. Also known as Mayalls Object, this structure is the result of a collision between two galaxies

GSLV-D2 space rocket
Space rocket on the launch pad. This is the Indian Space Research Organisations Geosynchronous Satellite Launch Vehicle (GSLV) D2. It was 49 metres tall, and had a lift-off weight of 414 tonnes

Supernova. Computer artwork of an exploding star, or supernova. Supernovae occur when a massive star exhausts its nuclear fuel

Spiral galaxy NGC 4414, Hubble Space Telescope image. New stars are being formed on the edges of the galaxy. These stars are blue, compared to the older stars in the centre

Colliding galaxies. Supercomputer simulation showing the gas content of two colliding spiral galaxies. Temperature is represented by colour, blue (coolest) to red (hottest)

Rocky extrasolar planet. Computer artwork of a planet discovered in August 2004. The planet is 50 light-years away, orbiting the star Mu Arae in the constellation of Altar

Supernova remnant Cassiopeia A, X-ray image. Cassiopeia A (Cas A) is a remnant of a supernova star that exploded around 320 years ago, the youngest in the Milky Way galaxy

Kepler supernova remnant, Chandra image
Kepler supernova remnant. Chandra X-ray Observatory image of the the Kepler supernova remnant, an expanding cloud of glowing gas that formed following a supernova

X-ray sources in M74, Chandra image
X-ray sources (red) in the spiral galaxy M74, composite of optical and Chandra X-ray telescope images. The sources are mostly black holes

Gas giant around a young star, artwork. The star is seen shining through the plane of the disc of gas and dust from which the planet formed. Numerous smaller bodies are seen around the planet

Z Camelopardalis, UV image
Z Camelopardalis, far ultraviolet image. Z Camelopardalis (centre, white) is a double-star (binary) system. It is composed of a dead star (white dwarf) and a companion star

Dark matter ring in galaxy cluster
Dark matter ring in the galaxy cluster CI 0024+17, Hubble Space Telescope image. The ring is seen surrounding a central concentration of dark matter (coloured blue here)

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Astrophysical wonders never cease to amaze us, reminding us of our infinitesimal place in the vastness of the universe. Take a moment to ponder the significance of these celestial marvels. The iconic image known as "Pale Blue Dot" captured by Voyager 1 serves as a humbling reminder of Earth's minuscule size amidst the cosmic expanse. It reminds us that we are merely inhabitants on this tiny speck floating through space. In 2012, Hubble Ultra Deep Field unveiled an awe-inspiring snapshot showcasing thousands of galaxies, each containing billions of stars. This breathtaking view allows us to glimpse into the depths of time and witness the birth and death cycles occurring across countless light-years. The historic 1919 solar eclipse provided evidence supporting Einstein's theory of general relativity, forever changing our understanding of gravity and its effects on light bending around massive objects. Orion's Belt, a prominent feature in our night sky, guides stargazers towards Orion Nebula - a stellar nursery where new stars are born from swirling clouds of gas and dust. Its ethereal beauty captivates observers with its vibrant colors and intricate details. The Pillars of Creation within Eagle Nebula stand tall as colossal columns sculpted by stellar winds and intense radiation. These towering structures serve as incubators for new star formation, reminding us that even in seemingly desolate regions lies immense potential for life to emerge. Nebula Sh 2-106 presents itself like an otherworldly painting when observed through HST imagery. Its mesmerizing mixtures of gases create stunning hues that ignite curiosity about what lies beyond our own galaxy. Gas pillars within Eagle Nebula offer glimpses into cosmic nurseries where young stars form amidst turbulent surroundings. These majestic formations showcase nature's ability to shape matter into extraordinary shapes over millions or billions of years. Once again referencing the pivotal 1919 solar eclipse.