The Milky Way galaxy is over 13 billion years old.
The Andromeda galaxy is our closest neighbor in space.
There are trillions of stars in the universe, most of which are in galaxies.
The universe is estimated to contain over 100 billion galaxies.
The term galaxy comes from the Greek word galaxias, meaning milky circle.
The center of most galaxies contains a supermassive black hole.
Galaxies come in various shapes, including spiral, elliptical, and irregular.
The galaxy M87 is home to the first-ever photographed black hole.
The largest known galaxy, IC 1101, is approximately 6 million light-years in diameter.
The Milky Way belongs to a cluster of galaxies called the Local Group.
The furthest known galaxy in the universe is GN-z11, located 13.4 billion light-years away.
Galaxies are constantly moving and colliding with each other due to the expansion of the universe.
The wavelength of light emitted by galaxies helps scientists determine their distance.
Galaxies can have satellite galaxies orbiting around them, such as the Milky Way has the Large and Small Magellanic Clouds.
The galaxy UDFj-39546284, discovered in 2010, is one of the most distant galaxies known.
Some galaxies, known as active galactic nuclei, emit high-energy radiation due to their supermassive black holes.
The Sombrero Galaxy, also known as M104, gets its nickname due to its shape resembling a Mexican hat.
The Fermi Bubbles are two huge structures emanating from the center of the Milky Way galaxy.
The Pinwheel Galaxy, also known as M101, is a stunning example of a spiral galaxy.
The Whirlpool Galaxy, or M51, is merging with a smaller companion galaxy, creating a grand spectacle.
The Triangulum Galaxy, or M33, is the third-largest member of the Local Group.
The Sun’s location within the Milky Way is in the Orion Arm, approximately 26,000 light-years from the galactic center.
The largest galaxy cluster, known as the Coma Cluster, contains over 1,000 identified galaxies.
The Hubble Space Telescope has captured numerous breathtaking images of galaxies, expanding our understanding of the universe.
The galaxy NGC 1277 has an abnormally large black hole, making up a significant portion of its mass.
The Perseus Galaxy Cluster is home to thousands of galaxies and is one of the most massive structures in the universe.
Computer simulations based on galactic collisions suggest that our Milky Way galaxy will merge with the Andromeda galaxy in about 4 billion years.
The Bullet Cluster is a famous example of a galaxy cluster collision, where dark matter becomes separated from visible matter.
The galaxy Ursa Major II, discovered in 2015, is the closest dwarf galaxy to the Milky Way.
The Sculptor Dwarf Galaxy has an unusually large amount of dark matter and very few visible stars.
The image called the Hubble Deep Field reveals thousands of galaxies, each containing billions of stars.
The universe’s overall composition is approximately 70% dark energy, 25% dark matter, and only 5% normal matter such as galaxies, stars, and planets.
The galaxy named ESO 137-001 is nicknamed the wandering ghost due to its disrupted appearance caused by a cosmic collision.
The Virgo Cluster is a galaxy cluster that contains over 2,000 galaxies, including the famous Sombrero Galaxy.
The Great Attractor is a region of space that influences the movement of galaxies in the nearby universe.
The Cartwheel Galaxy is an example of a galaxy with a distinctly-shaped ring formed by a collision.
The Cigar Galaxy, or M82, is undergoing a period of intense star formation, producing large amounts of blue light.
Galaxies can have different colors, indicating the presence of various types of stars and interstellar dust.
The extremely active galaxy Centaurus A has a massive black hole at its core, shooting out powerful jets of energy.
The Whirlpool Galaxy has been host to multiple supernova explosions over the past century.
The Triangulum Australe Galaxy, also known as M33, is one of the most studied galaxies due to its relative proximity.
The Hubble Deep Field South image depicts galaxies in a region of space that appears largely empty to the naked eye.
The Ring Nebula, despite its name, is not a galaxy but a planetary nebula formed by a dying star.
The galaxy Sextans A has an unusually low amount of heavy elements, indicating it formed in the early universe.
The Large Magellanic Cloud, a satellite galaxy of the Milky Way, contains a giant stellar nursery called the Tarantula Nebula, where new stars are born.
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