Galaxy

Two images of the cartwheel galaxy. Blue Image is from the Hubble Space Telescope and Red is from the James Webb Space Telescope. Both from NASA

Cartwheel Galaxy in two colours

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Zeta Ophiuchi is a single star that likely once had a companion that exploded as a supernova.

The story of a runaway star ejected by a powerful explosion

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The story of a runaway star ejected by a powerful explosion called Zeta Ophiuchi that was ejected at 100,000 miles per hour.

First image of the black hole at the centre of the Milky Way

First ever image of our own black hole Sag A* at the centre of the Milky Way Galaxy

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The Event Horizon Telescope Collaboration team has done it again! They have captured the first ever image of the black hole at the centre of our own Milky Way Galaxy!  This one is called Sagittarius A...

The 14 active SMBHs, with the Spiderweb Galaxy in the center captured by Chandra Space Obervstory. (NASA/CXC/INAF/P. Tozzi et al./NAOJ/NINS/STScI)

There are 14 Feasting Black Holes Caught in this Galactic Spiderweb

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There are 14 Feasting Black Holes Caught in this Galactic Spiderweb protocluster, captured by the Chandra Space Observatory.

This image features the spectacular galaxy NGC 4254, also known as Messier 99. It’s an example of a grand design spiral galaxy, featuring strong, prominent, well-defined arms that wrap clearly around the galaxy’s centre.

A Hypnotic Grand Design Galaxy

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Observe this image of NGC 4254, also known as Messier 99, A Hypnotic Grand Design Galaxy recently shared by European Southern Observatory (ESO).

A zoom in on the largest of the two shock waves of ABELL 3665 with Milky Way as comparison. Francesco de Gasperin and SARAO

A shock wave that extends for 6.5 million light years is bigger than our galaxy

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A shock wave that extends for 6.5 million light years is bigger than our galaxy. It is the largest cosmic shock wave visible from earth that has been imaged.

The radio lobes of galaxy known as Alcyoneus. (Oei et al., arXiv, 2022)

Meet the Biggest Galaxy Found Yet

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The Biggest Galaxy Found Yet is A giant radio galaxy over 16 million light years long. It is called Alcyoneus.

This image shows a section of the side view of the Milky Way as measured by ESA’s Gaia satellite. The dark band consists of gas and dust, which dims the light from the embedded stars. The Galactic Centre of the Milky Way is indicated on the right of the image, shining brightly below the dark zone. The box to the left of the middle marks the location of the “Maggie” filament. It shows the distribution of atomic hydrogen. The colours indicate different velocities of the gas. [less] Image: ESA/Gaia/DPAC, CC BY-SA 3.0 IGO & T. Müller/J. Syed/MPIA

Meet Maggie, the longest structure in our galaxy

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Meet Maggie, a huge filament of atomic hydrogen just discovered by astronomers, a possible precursor to star formation. It is the largest structure yet found in the Milky Way Galaxy.

Stars moving around the black hole Sag A*: these images were taken between March and July 2021 and show stars orbiting very close to Sagittarius A*. During the observations, one of these stars, S29, reached its closest approach to this supermassive black hole at the heart of the Milky Way; the distance was 13 billion kilometres, which is just 90 times the distance between the Sun and Earth. In addition, the researchers discovered another star, S300, with the Gravity Instrument at the European Southern Observatory's Very Large Telescope Interferometer (VLTI).

Deep View of Supermassive Blackhole Sag A* at the centre of Milky Way

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Here is a Deep View of Supermassive Blackhole Sag A* at the centre of our Milky Way galaxy. Scientists also saw new stars whizzing around it.