Astronomers spy on the first lunar disk around an exoplanet


This illustration shows a massive star on the verge of exploding.

Meet the fastest asteroid in our solar system, which circles the sun every 113 days. This artist’s rendering shows asteroid 2021 PH27 (top right) and Mercury (bottom) orbiting the sun.

A ghostly set of x-ray rings has been found around a black hole with a companion star. These rings are created by light echoes.

This image, taken with the large millimeter / submillimeter grating of Atacama in Chile, shows the PDS system 70 to 400 light years away. This planetary system is still forming and is still forming. One of the planets in the system is surrounded by a lunar disk.

This image shows the 2018zd supernova (represented by the large white dot on the right), a new type of supernova called electron capture. On the left is the galaxy NGC 2146.

This STARFORGE simulation image shows the “Anvil of Creation”, a giant gas cloud with individual stars forming inside.

Astronomers used NASA’s Chandra X-ray Observatory to study the remains of the Cassiopeia A supernova and found titanium, shown in light blue, emerging from it. Colors represent other detected elements, such as iron (orange), oxygen (purple), silicon (red), and magnesium (green).

The supermassive black hole at the center of the galaxy M87, the first to be imaged, can now be seen in polarized light. Swirling lines reveal the magnetic field near the edge of the black hole.

This image from the Sloan Digital Sky Survey shows the galaxy J0437 + 2456, which includes a supermassive black hole at its center that appears to be moving.

This artist’s impression shows what the distant quasar P172 + 18 and its radio jets looked like 13 billion years ago. The light from the quasar took that long to reach us, so astronomers observed the quasar as it appeared in the early universe.

This image shows the surroundings of the ultra-small dwarf galaxy Tucana II, captured by the SkyMapper telescope.

These images show two giant radiogalaxies found using the MeerKAT telescope. Red in both images shows radio light emitted from galaxies against a sky background as seen in visible light.

This artist’s conception of the quasar J0313-1806 represents him as he was 670 million years after the Big Bang. Quasars are highly energetic objects in the center of galaxies, fueled by black holes and brighter than entire galaxies.

A phenomenon known as zodiacal light is seen here, which is caused by sunlight reflecting off tiny dust particles in the inner solar system.

This artist’s rendering of the distant galaxy ID2299 shows part of its gas ejected by a “tidal tail” as a result of a merger between two galaxies.

This diagram shows the two most important companion galaxies in the Milky Way: the Large Magellanic Cloud (left) and the Small Magellanic Cloud. It was produced using data from the Gaia satellite of the European Space Agency.

The Blue Ring Nebula is believed to be an unprecedented phase that occurs after two stars merge. The debris that flowed from the fusion was sliced ​​by a disc around one of the stars, creating two cones of material glowing in the ultraviolet light.

The red supergiant star Betelgeuse, in the constellation Orion, experienced unprecedented attenuation at the end of 2019. This image was taken in January using the European Southern Observatory’s Very Large Telescope.

This is an infrared image of Apep, a binary Wolf-Rayet star system located 8,000 light years from Earth.

An artist’s illustration, left, visualizes details of an unusual star system, GW Orionis, in the constellation Orion. The system’s circumstellar disc is shattered, resulting in misaligned rings around its three stars.

It is a simulation of two spiral black holes that merge together and emit gravitational waves.

This artist illustration shows the unexpected darkening of the star Betelgeuse.

This extremely distant galaxy, which resembles our own Milky Way, appears as a ring of light.

This artist’s interpretation shows the 2019ehk calcium-rich supernova. Orange represents the calcium-rich material created during the explosion. The purple reveals the gas given off by the star just before the explosion.

The blue dot in the center of this image marks the approximate location of a supernova event that occurred 140 million light years from Earth, where a white dwarf exploded and created an ultraviolet flash. It was located near the tail of the constellation Draco.

This radar image captured by NASA’s Magellan mission to Venus in 1991 shows a corona, a large circular structure 120 miles in diameter, named the Aine Corona.

When a star’s mass is ejected during a supernova, it expands rapidly. Eventually, it will slow down and form a hot bubble of glowing gas. A white dwarf will emerge from this gas bubble and cross the galaxy.

The afterglow of a short gamma-ray burst detected 10 billion light-years away is shown in a circle. This image was taken by the Gemini-North Telescope.

This image from the Hubble Space Telescope shows NGC 7513, a barred spiral galaxy 60 million light years away. Due to the expansion of the universe, the galaxy appears to be moving away from the Milky Way at an accelerating rate.

This artist’s concept illustration shows what the bright blue variable star looked like in the dwarf galaxy Kinman before it mysteriously vanished.

This is an artist’s illustration of a supermassive black hole and its surrounding gas disc. Inside this disc are two small black holes orbiting each other. Researchers identified an eruption of light believed to originate from one of these binary pairs shortly after they merged into a larger black hole.

This image, taken from a video, shows what happens when two objects of different masses merge and create gravitational waves.

This is an artist’s impression showing the detection of a repetitive rapid radio burst seen in blue, which is in orbit with an astrophysical object seen in pink.

The rapid radio bursts, which cause a sensation by leaving their host galaxy in a bright burst of radio waves, have helped detect “missing matter” in the universe.

A new type of explosion has been discovered in a tiny galaxy 500 million light years from Earth. This type of explosion is called a fast blue optical transient.

Astronomers have discovered a rare type of galaxy described as a “cosmic ring of fire”. This artist’s illustration shows the galaxy as it existed 11 billion years ago.

This is an artist’s rendering of Wolfe’s Disc, a massive spinning-disc galaxy in the early universe.

A bright yellow “twist” near the center of this image shows where a planet can form around the star AB Aurigae. The image was captured by the very large telescope of the European Southern Observatory.

This artist’s illustration shows the orbits of two stars and an invisible black hole 1,000 light years from Earth. This system includes a star (small orbit seen in blue) orbiting a newly discovered black hole (orbit in red), as well as a third star in a larger orbit (also in blue).

This illustration shows the core of a star, known as a white dwarf, driven into orbit around a black hole. During each orbit, the black hole plucks more material from the star and drags it into a disc of glowing material around the black hole. Prior to its encounter with the black hole, the star was a red giant in the later stages of stellar evolution.

This artist’s illustration shows the collision of two icy and dusty 125-mile-wide bodies orbiting the bright star Fomalhaut, located 25 light years away. Observing the consequences of this collision was once considered an exoplanet.

Here is an artist’s rendering of Interstellar Comet 2I / Borisov as it roams our solar system. New observations detected carbon monixide in the comet’s tail as the sun warmed the comet.

This rosette pattern is the orbit of a star, called S2, around the supermassive black hole at the center of our Milky Way galaxy.

This is an artist illustration from SN2016aps, which astronomers believe to be the brightest supernova ever seen.

This is an artist’s illustration of a brown dwarf, or a “failed star” object, and its magnetic field. The atmosphere and magnetic field of the brown dwarf rotate at different speeds, which allowed astronomers to determine the speed of the wind on the object.

This artist’s illustration shows a black hole of intermediate mass tearing apart a star.

This is an artist’s rendering of a large star known as HD74423 and its much smaller red dwarf companion in a binary star system. The large star appears to be pulsating on one side only, and it is distorted by the gravitational pull of its companion star into a teardrop shape.

This is an artist’s impression of two white dwarfs merging together. While astronomers expected it could cause a supernova, they found an example of two white dwarf stars that survived the merger.

A combination of space and ground telescopes has found evidence of the largest explosion seen in the universe. The explosion was created by a black hole in the central galaxy of the Ophiuchus cluster, which threw jets and carved a large cavity in the surrounding hot gas.

This new ALMA image shows the result of stellar combat: a complex and astonishing gaseous environment surrounding the binary star system HD101584.

NASA’s Spitzer Space Telescope captured the Tarantula Nebula in two wavelengths of infrared light. Red represents hot gas, while blue regions are interstellar dust.

A white dwarf, on the left, removes material from a brown dwarf, on the right, about 3,000 light-years from Earth.

This image shows the orbits of the six G objects at the center of our galaxy, with the supermassive black hole indicated by a white cross. The stars, gas and dust are in the background.

After the stars die, they expel their particles into space, which in turn form new stars. In one case, stardust embedded itself in a meteorite that fell to Earth. This illustration shows that stardust could flow from sources like the Egg Nebula to create the grains recovered from the meteorite, which landed in Australia.

The ancient pole star, Alpha Draconis or Thuban, is circled here in an image of the northern sky.

Galaxy UGC 2885, nicknamed the “Godzilla Galaxy”, is perhaps the largest in the local universe.

The host galaxy of a newly traced repeated rapid radio burst acquired with the 8-meter Gemini-North telescope.


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