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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...

November 2020: Cassiopeia Rules

Water on ancient Mars

Asteroid's scars tell stories of its past

Water on ancient Mars

Asteroid's scars tell stories of its past

Most isolated massive stars are kicked out of their clusters

Most isolated massive stars are kicked out of their clusters

Most isolated massive stars are kicked out of their clusters

NASA's OSIRIS-REx successfully stows sample of asteroid Bennu

Night Aboard the Space Station

Streetlights contribute less to nighttime light emissions in cities than expected

Asteroid Ryugu shaken by Hayabusa2's impactor

Measuring the expansion of the universe: Researchers focus on velocity

Black hole 'family portrait' is most detailed to date

Measuring the expansion of the universe: Researchers focus on velocity

Measuring the expansion of the universe: Researchers focus on velocity

Measuring the expansion of the universe: Researchers focus on velocity

Measuring the expansion of the universe: Researchers focus on velocity

Measuring the expansion of the universe: Researchers focus on velocity

Black hole 'family portrait' is most detailed to date

Black hole 'family portrait' is most detailed to date

Where were Jupiter and Saturn born?

Where were Jupiter and Saturn born?

Where were Jupiter and Saturn born?

Our Halloween Sun

Astronomers discover activity on distant planetary object

Astronomers discover activity on distant planetary object

Juno data indicates 'sprites' or 'elves' frolic in Jupiter's atmosphere

Juno data indicates 'sprites' or 'elves' frolic in Jupiter's atmosphere

Weak equivalence principle violated in gravitational waves

Weak equivalence principle violated in gravitational waves

Astronomers are bulging with data

'Sprites' Frolic in Jupiter's Atmosphere

Astronomers are bulging with data

Astronomers are bulging with data

Galaxies in the infant universe were surprisingly mature

Gran Telescopio Canarias finds the farthest black hole that belongs to a rare family of galaxies

Galaxies in the infant universe were surprisingly mature

Geologists simulate soil conditions to help grow plants on Mars

Gran Telescopio Canarias finds the farthest black hole that belongs to a rare family of galaxies

Galaxies in the infant universe were surprisingly mature

Gran Telescopio Canarias finds the farthest black hole that belongs to a rare family of galaxies

Galaxies in the infant universe were surprisingly mature

Gran Telescopio Canarias finds the farthest black hole that belongs to a rare family of galaxies

Galaxies in the infant universe were surprisingly mature

Gran Telescopio Canarias finds the farthest black hole that belongs to a rare family of galaxies

Gran Telescopio Canarias finds the farthest black hole that belongs to a rare family of galaxies

NASA Astronaut Kate Rubins Casts Her Vote from Space

Tiny moon shadows may harbor hidden stores of ice

Mmore complete view of massive asteroid Psyche

New study details atmosphere on 'hot Neptune' 260 light years away that 'shouldn't exist'

Mmore complete view of massive asteroid Psyche

Tiny moon shadows may harbor hidden stores of ice

New study details atmosphere on 'hot Neptune' 260 light years away that 'shouldn't exist'

New study details atmosphere on 'hot Neptune' 260 light years away that 'shouldn't exist'

NASA's SOFIA discovers water on sunlit surface of Moon

NASA's SOFIA discovers water on sunlit surface of Moon

Data reveals evidence of molecular absorption in the atmosphere of a hot Neptune

Data reveals evidence of molecular absorption in the atmosphere of a hot Neptune

Data reveals evidence of molecular absorption in the atmosphere of a hot Neptune

Jezero Crater Was a Lake in Mars' Ancient Past

Exploring the source of stars and planets in a laboratory

Exploring the source of stars and planets in a laboratory

NASA's OSIRIS-REx spacecraft collects significant amount of asteroid

Stars and planets grow up together as siblings

Stars and planets grow up together as siblings

Stars and planets grow up together as siblings

Stars and planets grow up together as siblings

Hubble Views a Galactic Waterfall

Galactic archaeology

Galactic archaeology

Galactic archaeology

Galactic archaeology

Studying Aircraft Noise

ALMA shows volcanic impact on Io's atmosphere

Smile, wave: Some exoplanets may be able to see us, too

Smile, wave: Some exoplanets may be able to see us, too

AI and photonics join forces to make it easier to find 'new Earths'

Smile, wave: Some exoplanets may be able to see us, too

AI and photonics join forces to make it easier to find 'new Earths'

AI and photonics join forces to make it easier to find 'new Earths'

Touching Down on Asteroid Bennu

NASA's OSIRIS-REx spacecraft successfully touches asteroid

Evidence of broadside collision with dwarf galaxy discovered in Milky Way

Ultraviolet shines light on origins of the solar system

Ultraviolet shines light on origins of the solar system

Evidence of broadside collision with dwarf galaxy discovered in Milky Way

Ultraviolet shines light on origins of the solar system

Evidence of broadside collision with dwarf galaxy discovered in Milky Way

Neutron Stars Create Gold and Platinum in Their Wake

Astrophysics team lights the way for more accurate model of the universe

Astrophysics team lights the way for more accurate model of the universe

Astrophysics team lights the way for more accurate model of the universe

Astrophysics team lights the way for more accurate model of the universe

Astrophysics team lights the way for more accurate model of the universe

The Milky Way galaxy has a clumpy halo

The Milky Way galaxy has a clumpy halo

The Milky Way galaxy has a clumpy halo

The Milky Way galaxy has a clumpy halo

The Milky Way galaxy has a clumpy halo

The Milky Way galaxy has a clumpy halo

Magnetic fields on the moon are the remnant of an ancient core dynamo

Magnetic fields on the moon are the remnant of an ancient core dynamo

Orion’s Recently Installed Solar Array Wings

A billion tiny pendulums could detect the universe's missing mass

A billion tiny pendulums could detect the universe's missing mass

Two planets around a red dwarf

Two planets around a red dwarf

Hubble Snaps a Special Stellar Nursery

Anemic star cluster breaks metal-poor record

Anemic star cluster breaks metal-poor record

Anemic star cluster breaks metal-poor record

Anemic star cluster breaks metal-poor record

Anemic star cluster breaks metal-poor record

Star clusters are only the tip of the iceberg

Star clusters are only the tip of the iceberg

Cliffs in Ancient Ice on Mars

NASA's James Webb telescopes will reveal hidden galaxies

NASA's James Webb telescopes will reveal hidden galaxies

NASA's James Webb telescopes will reveal hidden galaxies

NASA's James Webb telescopes will reveal hidden galaxies

NASA's James Webb telescopes will reveal hidden galaxies

NASA's James Webb telescopes will reveal hidden galaxies

The mountains of Pluto are snowcapped, but not for the same reasons as on Earth

Astronomers solve dark matter puzzle of strange galaxy

The mountains of Pluto are snowcapped, but not for the same reasons as on Earth

The black hole always chirps twice: New clues deciphering the shape of black holes

The black hole always chirps twice: New clues deciphering the shape of black holes

Astronomers solve dark matter puzzle of strange galaxy

Astronomers solve dark matter puzzle of strange galaxy

The Ghost Nebula

ESO telescopes record last moments of star devoured by a black hole

Studying the sun as a star to understand stellar flares and exoplanets

ESO telescopes record last moments of star devoured by a black hole

Astronomers find x-rays lingering years after landmark neutron star collision

Studying the sun as a star to understand stellar flares and exoplanets

Death by spaghettification: Scientists record last moments of star devoured by black hole

Astronomers find x-rays lingering years after landmark neutron star collision

In the eye of a stellar cyclone

In the eye of a stellar cyclone

In the eye of a stellar cyclone

Researchers find 'missing link' between magnetars and rotation-powered pulsars

Researchers find 'missing link' between magnetars and rotation-powered pulsars

A new look at sunspots

A new look at sunspots

Spitzer space telescope legacy

Spitzer space telescope legacy

Spitzer space telescope legacy

Scientists study the rugged surface of near-Earth asteroid Bennu

Scientists peer inside an asteroid

Scientists study the rugged surface of near-Earth asteroid Bennu

Signals from distant stars connect optical atomic clocks across Earth for the first time

Vaporized metal in the air of an exoplanet

Thumbs Up From Out of This World

Moon's magnetic crust research sees scientists debunk long-held theory

New research explores how super flares affect planets' habitability

Looking for pieces of Venus? Try the moon

New research explores how super flares affect planets' habitability

Looking for pieces of Venus? Try the moon

New research explores how super flares affect planets' habitability

Grappling With the Future

Explaining the formation of a hexagon storm on Saturn

Explaining the formation of a hexagon storm on Saturn

Astronomers turn up the heavy metal to shed light on star formation

Astronomers turn up the heavy metal to shed light on star formation

Astronomers turn up the heavy metal to shed light on star formation

Astronomers turn up the heavy metal to shed light on star formation

Overcoming Hurricanes and Earthquakes to Get an Experiment to the Space Station

Nobel Prize in Physics 2020: Discoveries about black holes

Nobel Prize in Physics 2020: Discoveries about black holes

Nobel Prize in Physics 2020: Discoveries about black holes

Nobel Prize in Physics 2020: Discoveries about black holes

Trans-Neptunian object Arrokoth: Flattening of a snowman

Trans-Neptunian object Arrokoth: Flattening of a snowman

ESO telescope spots galaxies trapped in the web of a supermassive black hole

ESO telescope spots galaxies trapped in the web of a supermassive black hole

ESO telescope spots galaxies trapped in the web of a supermassive black hole

ESO telescope spots galaxies trapped in the web of a supermassive black hole

ESO telescope spots galaxies trapped in the web of a supermassive black hole

ESO telescope spots galaxies trapped in the web of a supermassive black hole

Hubble watches exploding star fade into oblivion

Gemini South's high-def version of 'A Star is Born'

Hubble watches exploding star fade into oblivion

Gemini South's high-def version of 'A Star is Born'

Hubble watches exploding star fade into oblivion

Gemini South's high-def version of 'A Star is Born'

Hubble watches exploding star fade into oblivion

Hubble watches exploding star fade into oblivion

Some planets may be better for life than Earth

Some planets may be better for life than Earth

Some planets may be better for life than Earth

Antares Rocket Launches to the Space Station

The most sensitive optical receivers yet for space communications

Hubble Captures Galactic Glamour Shot

Einstein's description of gravity just got much harder to beat

Einstein's description of gravity just got much harder to beat

Einstein's description of gravity just got much harder to beat

October 2020: Mars is the Star!

Satellite Captures Active Fires in the Western U.S.