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Star Betelgeuse - A red supergiant in the constellation Orion

One fascinating star is Betelgeuse, a red supergiant located in the constellation Orion. Here are some intriguing facts about it: 1. Size and Volume: Betelgeuse is immense—if placed at the center of our solar system, it would extend past the orbit of Mars. 2. Variability: It is a pulsating variable star, meaning its brightness changes over time; it has been observed to vary in brightness over several months. 3. Life Cycle: Betelgeuse is nearing the end of its life cycle and is expected to explode as a supernova within the next million years, a relatively short time in astrophysical terms. 4. Distance: It is located approximately 640 light-years away from Earth. 5. Cultural Significance: Betelgeuse has been significant in many cultures and is commonly referred to as the “Shoulder of the Hunter” in the constellation Orion. 6. Color Indicator: Its reddish hue signifies a cooler surface temperature compared to other stars, which gives it a distinctive appearance. Betelgeuse con...

Even 'Goldilocks' exoplanets need a well-behaved star

What caused the Big Bang?

Scientists may have discovered whole new class of black holes

What caused the Big Bang?

What caused the Big Bang?

Scientists may have discovered whole new class of black holes

Scientists may have discovered whole new class of black holes

Scientists may have discovered whole new class of black holes

Scientists may have discovered whole new class of black holes

Astronomers catch wind rushing out of galaxy

Astronomers catch wind rushing out of galaxy

Astronomers catch wind rushing out of galaxy

Scientists may have discovered whole new class of black holes

Researchers discover mechanisms for the cause of the Big Bang

Astronomers catch wind rushing out of galaxy

WFIRST will add pieces to the dark matter puzzle

NASA microgap-cooling technology immune to gravity effects and ready for spaceflight

Even 'Goldilocks' exoplanets need a well-behaved star

Spitzer Telescope spots a ghoulish gourd

Astronomers catch wind rushing out of galaxy

Observing California's Wildfires from the Space Station

How we discovered a glowing galactic ghoul

Clouds on Jupiter rising up above the surrounding atmosphere

Simulations explain giant exoplanets with eccentric, close-in orbits

Simulations explain giant exoplanets with eccentric, close-in orbits

Simulations explain giant exoplanets with eccentric, close-in orbits

SwRI to plan Pluto orbiter mission

Simulations explain giant exoplanets with eccentric, close-in orbits

The Face of the Antares Rocket

Globular cluster Terzan 9 investigated with MUSE

Astronomers discover ghosts of supernovas in nearby galaxy

Image: Antarctic mist

NASA's latest exoplanet posters are a Halloween treat

Jupiter's Cloud Tops: From High to Low

Placing another piece in the dark matter puzzle

TESS reveals an improbable planet

New findings detail a method for investigating the inner workings of stars in a rare phase

Placing another piece in the dark matter puzzle

Astronomers observe blazar S5 0836+710 during high activity period, detect two gamma-ray flares

Microsatellites to take never-before-seen look at the young solar wind

Placing another piece in the dark matter puzzle

Dark energy: new experiment may solve one of the universe's greatest mysteries

Air Force's mystery space plane lands, ends 2-year mission

Virgin Galactic becomes first space tourism company to land on Wall Street

Satellite, drone photos could help predict infections of a widespread tropical disease

ESO telescope reveals what could be the smallest dwarf planet yet in the solar system

Study underscores changes in brain structure, function in long-duration space missions

Study underscores changes in brain structure, function in long-duration space missions

Giant neutrino telescope to open window to ultra-high-energy universe

ESO telescope reveals what could be the smallest dwarf planet yet in the solar system

UV satellite will open new view on exploding stars and black holes

Protected: DESI's 5000 eyes open as Kitt Peak Telescope prepares to map space and time

An overlooked piece of the solar dynamo puzzle

An overlooked piece of the solar dynamo puzzle

Hubble captures cosmic face

A Trail of Night Lights from the International Space Station

Video: Gaia astronomical revolution

Image: A ghost in the Pleiades

From 'cavewalking' to spacewalking

New Horizons team pieces together the best images they have of Pluto's far side

New VIPER lunar rover to map water ice on the moon

Insight-HXMT team releases new results on black hole and neutron star X-ray binaries

Stars pollute, but galaxies recycle

New outburst detected from a luminous supersoft source in a nearby galaxy

Image: Hubble captures the IC 4653 galaxy

Space: a major legal void

Putting the 'bang' in the Big Bang

Putting the 'bang' in the Big Bang

Putting the 'bang' in the Big Bang

Putting the 'bang' in the Big Bang

A Mega-Cluster of Galaxies in the Making

Giant radio galaxies defy conventional wisdom

Giant radio galaxies defy conventional wisdom

Giant radio galaxies defy conventional wisdom

Giant radio galaxies defy conventional wisdom

New research on giant radio galaxies defies conventional wisdom

Chandra spots a mega-cluster of galaxies in the making

Video: Mars 2020 stands on its own six wheels

NASA moon rocks help form new picture of early moon and Earth

New selfie shows Curiosity, the Mars chemist

NASA moon rocks help form new picture of early moon and Earth

NASA taps telecommunications technology to develop more capable, miniaturized spectrometer

Martian landslides not conclusive evidence of ice

Hubble Finds Medusa in the Sky

Beyond Jupiter, researchers discover a 'cradle of comets'

Multifrequency observations shed more light on the nature of radio galaxy MRC 2011-298

Beyond Jupiter, researchers discover a 'cradle of comets'

Why a rocky planet with three suns has astronomers' attention

Martian landslides not conclusive evidence of ice

New measurement of Hubble constant adds to cosmic mystery

New measurement of Hubble constant adds to cosmic mystery

US vows closer cooperation with French space agency

New measurement of Hubble constant adds to cosmic mystery

How to spot a wormhole (if they exist)

How to spot a wormhole (if they exist)

How to spot a wormhole (if they exist)

How to spot a wormhole (if they exist)

First identification of a heavy element born from neutron star collision

First identification of a heavy element born from neutron star collision

First identification of a heavy element born from neutron star collision

First identification of a heavy element born from neutron star collision

First identification of a heavy element born from neutron star collision

No defects found in reproductive ability of male mice returning from short stay in space

NASA to demonstrate new star-watching tech with thousands of shutters

NASA Attaches First of 4 RS-25 Engines to Artemis I Rocket Stage

Stardust machine shows presence of carbon nanograins, molecular compounds but few aromatics

A crisis in cosmology: New data suggests the universe expanding more rapidly than believed

The whole picture of a distant supercluster in three dimensions

When exoplanets collide

Air-breathing engine precooler achieves record-breaking Mach 5 performance

Automating collision avoidance

Monstrous galaxy from dawn of the universe accidentally discovered

Cosmic Yeti from the dawn of the universe found lurking in dust

Monstrous galaxy from dawn of the universe accidentally discovered

Monstrous galaxy from dawn of the universe accidentally discovered

Monstrous galaxy from dawn of the universe accidentally discovered

Monstrous galaxy from dawn of the universe accidentally discovered

Mix master: Modeling magnetic reconnection in partially ionized plasma

Blue Origin, US aerospace giants team up for lunar landing contract

Mix master: Modeling magnetic reconnection in partially ionized plasma

eROSITA delivers first striking images

New rocket fairing design offers smoother quieter ride

NASA and the 70th International Astronautical Congress

Mid-sized storms spotted on Saturn

The ongoing search for habitable exoplanets

SPT-CL J2106-5844 is the most massive high-redshift galaxy cluster, study finds

NASA wants international partners to go to Moon too

All-female spacewalk duo set sights on Moon

A star is born: Using lasers to study how star stuff is made

A star is born: Using lasers to study how star stuff is made

Lucy mission completes critical design review

NASA's James Webb Space Telescope clears critical sunshield deployment testing

A star is born: Using lasers to study how star stuff is made

Making connections: Bringing astrophysical processes down to Earth

Making connections: Bringing astrophysical processes down to Earth

Making connections: Bringing astrophysical processes down to Earth

Gravity crystals: A new method for exploring the physics of white dwarf stars

Female spacewalking duo uplifted by excitement below

Space mice and robots among latest science heading into space from Wallops Island

Space mice and robots among latest science heading into space from Wallops Island

NASA Astronaut Christina Koch Conducts Repairs on the Space Station

Biodiversity of insects modeled from space satellite data

Armoring satellites to survive and operate through attacks

Astronomers investigate IRAS 09002-473 cluster, find hundreds of probable member stars

Solar orbiter ready to depart Europe

Space may soon become a war zone – here's how that would work

What was the first color in the universe?

The rotation of Venus

Record-number of over 200,000 galaxies confirm: Galaxy mergers ignite star bursts

Mars once had salt lakes similar to those on Earth

Mars 2020 unwrapped and ready for testing

NASA's planetary protection review addresses changing reality of space exploration

US makes history with first all-female spacewalk

The Tycho Supernova: Death of a Star

Origin and chemical makeup of Saturn's Moon Titan's dunes

Origin and chemical makeup of Saturn's Moon Titan's dunes

Origin and chemical makeup of Saturn's Moon Titan's dunes

World's 1st female spacewalking team makes history

Image: Hubble snags starry galaxy

Ancient stars shed light on Earth's similarities to other planets

The clumpy and lumpy death of a star

Mars InSight's 'mole' is moving again

Stranded whales detected from space

NASA sounding rocket technology could enable simultaneous, multi-point measurements—first-ever capability

Ancient stars shed light on Earth's similarities to other planets

Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

Space station's 2 women prep for 1st all-female spacewalk

Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

Spiral arms in a young accretion disk around a baby star

Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

Near-Earth asteroids spectroscopic survey at the Isaac Newton telescope

Dark matter tugs the most massive spiral galaxies to breakneck speeds

Hubble observes first confirmed interstellar comet

Hubble observes first confirmed interstellar comet

Data milestone achieved in variable star repository

HiRISE views NASA's InSight and Curiosity on Mars

Stormy cluster weather could unleash black hole power and explain lack of cosmic cooling

A new theory to explain how the dunes on Titan formed

SUPERB survey detects new slowly-spinning radio pulsar

Virgin Galactic unveils commercial space suits

Astronaut Christina Koch Works in the Vacuum of Space

Gas 'waterfalls' reveal infant planets around young star

Gas 'waterfalls' reveal infant planets around young star

Gas 'waterfalls' reveal infant planets around young star

Hubble Telescope zooms in on interstellar visitor

SpaceX seeking many more satellites for space-based internet grid

Surveying solar storms by ancient Assyrian astronomers

Gas 'waterfalls' reveal infant planets around young star

Artemis Generation Spacesuit Event

Scientists closer to understanding nature of ultrahigh-energy cosmic rays

New high-mass X-ray binary detected in the Large Magellanic Cloud

Solar storm surveys by ancient Assyrian astronomers

Robotic spiders to explore the moon

New understanding of the evolution of cosmic electromagnetic fields

AstroPlant green light

New understanding of the evolution of cosmic electromagnetic fields

New understanding of the evolution of cosmic electromagnetic fields

New understanding of the evolution of cosmic electromagnetic fields

NASA unveils flexible, one-size-fits-all space suits

Going against the flow around a supermassive black hole

Going against the flow around a supermassive black hole

Going against the flow around a supermassive black hole

Going against the flow around a supermassive black hole

Going against the flow around a supermassive black hole

Going against the flow around a supermassive black hole

Heron survey fishes out detail in ghostly galaxy outskirts

Heron survey fishes out detail in ghostly galaxy outskirts

Heron survey fishes out detail in ghostly galaxy outskirts

NASA moves up 1st all-female spacewalk to fix power unit

Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling

Heron survey fishes out detail in ghostly galaxy outskirts

Going against the flow around a supermassive black hole

Soil on moon and Mars likely to support crops

Soil on moon and Mars likely to support crops

Soil on moon and Mars likely to support crops

Analysis of Galileo's Jupiter entry probe reveals gaps in heat shield modeling

ExoMars parachute progress

Image: Foreground asteroid passing the Crab Nebula

Russia bids farewell to first man who walked in space

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astronomers use giant galaxy cluster as X-ray magnifying lens

2I/Borisov: Interstellar comet with a familiar look

2I/Borisov: Interstellar comet with a familiar look

Astronomers use giant galaxy cluster as X-ray magnifying lens

Astrophysicist suggests light might be a problem for life on a planet orbiting a black hole

Hubble snaps spiral's profile

Open cluster ASCC 123 investigated in detail

Extending the life of geosynchronous satellites

The nature of obscured active galactic nuclei

Emirati astronaut returns home to hero's welcome

Black holes stunt growth of dwarf galaxies

Serena Auñón-Chancellor Talks to Girls About Life on the Station

Black holes stunt growth of dwarf galaxies

Black holes stunt growth of dwarf galaxies

Black holes stunt growth of dwarf galaxies

Black holes stunt growth of dwarf galaxies

Black holes stunt growth of dwarf galaxies

Black holes stunt growth of dwarf galaxies

Clock ticks as SpaceX builds craft for NASA

Serena Aunon-Chancellor Talks to Girls About Life on the Station

Serena Auñón-Chancellor Talks to Girls About Life on the Station

NRL launches space weather instrument on NASA satellite

Astrophysicists use artificial intelligence to determine exoplanets sizes

Violent flaring revealed at the heart of a black hole system

Astronauts swapping more batteries in week's 2nd spacewalk

First man to conduct spacewalk, Alexei Leonov, has died: assistant

Summit supercomputer simulates how humans will 'brake' during Mars landing

NASA launches satellite to explore where air meets space

NASA and SpaceX hope for manned mission to ISS in early 2020

NASA administrator explains Twitter spat with SpaceX