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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...

Stellar explosion in Earth's proximity, eons ago

Stellar explosion in Earth's proximity, eons ago

Retroreflectors: From Apollo to Mars

Venus might be habitable today, if not for Jupiter

Planet collision simulations give clues to atmospheric loss from Moon's origin

Venus might be habitable today, if not for Jupiter

Planet collision simulations give clues to atmospheric loss from Moon's origin

Venus might be habitable today, if not for Jupiter

Planet collision simulations give clues to atmospheric loss from Moon's origin

Second alignment plane of solar system discovered

Cosmic diamonds formed during gigantic planetary collisions

Astrophysicist probes cosmic 'dark matter detector'

Understanding ghost particle interactions

Second alignment plane of solar system discovered

Astrophysicist probes cosmic 'dark matter detector'

Astrophysicist probes cosmic 'dark matter detector'

Astrophysicist probes cosmic 'dark matter detector'

Understanding ghost particle interactions

Astrophysicist probes cosmic 'dark matter detector'

Understanding ghost particle interactions

Astrophysicist probes cosmic 'dark matter detector'

Understanding ghost particle interactions

Astronaut Serena M. Auñón-Chancellor Examines Her Eyes in Space

Discovery of close binary trans-Neptunian object

Scientists precisely measure total amount of matter in the universe

Scientists precisely measure total amount of matter in the universe

Scientists precisely measure total amount of matter in the universe

Scientists precisely measure total amount of matter in the universe

Scientists precisely measure total amount of matter in the universe

Scientists precisely measure total amount of matter in the universe

Soyuz MS-16 Spacecraft Docked to the Space Station

First study with CHEOPS data describes one of the most extreme planets in the universe

First measurements of radiation levels on the moon

First study with CHEOPS data describes one of the most extreme planets in the universe

First measurements of radiation levels on the moon

First study with CHEOPS data describes one of the most extreme planets in the universe

Pair of massive baby stars swaddled in salty water vapor

Remnants of an ancient asteroid shed new light on the early solar system

Astronomers model, determine how disk galaxies evolve so smoothly

Pair of massive baby stars swaddled in salty water vapor

Astronomers model, determine how disk galaxies evolve so smoothly

Pair of massive baby stars swaddled in salty water vapor

Astronomers model, determine how disk galaxies evolve so smoothly

Pair of massive baby stars swaddled in salty water vapor

Hubble Shoots the Moon

Young physicist 'squares the numbers' on time travel

Faint orbital debris that threatens satellites not being monitored closely enough, warn astronomers

Gravity causes homogeneity of the universe

Solving the strange storms on Jupiter

Young physicist 'squares the numbers' on time travel

Solving the strange storms on Jupiter

Gravity causes homogeneity of the universe

Young physicist 'squares the numbers' on time travel

Gravity causes homogeneity of the universe

Centuries-old conjecture about formation of the solar system verified

Centuries-old conjecture about formation of the solar system verified

Centuries-old conjecture about formation of the solar system verified

Centuries-old conjecture about formation of the solar system verified

Research helps people, lunar rovers, get there on time

NASA Has Eyes on the Universe

Can ripples on the sun help predict solar flares?

Shadow of black hole in M87 galaxy is wobbling and has been for a while

Shadow of black hole in M87 galaxy is wobbling and has been for a while

Shadow of black hole in M87 galaxy is wobbling and has been for a while

Cyclones of Color at Jupiter’s North Pole

Water on exoplanet cloud tops could be found with hi-tech instrumentation

Water on exoplanet cloud tops could be found with hi-tech instrumentation

Water on exoplanet cloud tops could be found with hi-tech instrumentation

Ellen Ochoa Shakes Hands with First Humanoid Robot to Head to Station

Asteroid Ryugu's rocky past

NASA's IRIS spots nanojets: Shining light on heating the solar corona

Comet discovered to have its own northern lights

Astronomers discover an Earth-sized 'pi planet' with a 3.14-day orbit

NASA's IRIS spots nanojets: Shining light on heating the solar corona

Comet discovered to have its own northern lights

Astronomers discover an Earth-sized 'pi planet' with a 3.14-day orbit

Astronomers discover an Earth-sized 'pi planet' with a 3.14-day orbit

Moon Shadow Over Jupiter

Promising computer simulations for stellarator plasmas

Solar storm forecasts for Earth improved with help from the public

VLBA makes first direct distance measurement to magnetar

Solar storm forecasts for Earth improved with help from the public

VLBA makes first direct distance measurement to magnetar

Hubble captures crisp new portrait of Jupiter's storms

Hubble captures crisp new portrait of Jupiter's storms

Venus' ancient layered, folded rocks point to volcanic origin

Climate change impacts astronomical observations

A New View of Jupiter's Storms

From star to solar system: How protoplanetary rings form in primordial gas clouds

From star to solar system: How protoplanetary rings form in primordial gas clouds

From star to solar system: How protoplanetary rings form in primordial gas clouds

From star to solar system: How protoplanetary rings form in primordial gas clouds

Device could help detect signs of extraterrestrial life

NASA Image Shows Fires, Hurricanes Across the U.S.

Can life survive a star's death? Webb telescope can reveal the answer

Scientist searches for stellar phosphorus to find potentially habitable exoplanets

Elements of surprise: Neutron stars contribute little, but something's making gold

Can life survive a star's death? Webb telescope can reveal the answer

Scientist searches for stellar phosphorus to find potentially habitable exoplanets

Can life survive a star's death? Webb telescope can reveal the answer

Scientist searches for stellar phosphorus to find potentially habitable exoplanets

Elements of surprise: Neutron stars contribute little, but something's making gold

Elements of surprise: Neutron stars contribute little, but something's making gold

Enormous planet quickly orbiting a tiny, dying star

Enormous planet quickly orbiting a tiny, dying star

Enormous planet quickly orbiting a tiny, dying star

Modern theory from ancient impacts

Unraveling a spiral stream of dusty embers from a massive binary stellar forge

Modern theory from ancient impacts

Unraveling a spiral stream of dusty embers from a massive binary stellar forge

Big answers from tiny particles

Big answers from tiny particles

Big answers from tiny particles

Study shows difficulty in finding evidence of life on Mars

Big answers from tiny particles

Study shows difficulty in finding evidence of life on Mars

Frank Rubio: From Pilot to Doctor to Astronaut

A warm Jupiter orbiting a cool star

Possible marker of life spotted on venus

A warm Jupiter orbiting a cool star

A warm Jupiter orbiting a cool star

She's Back: Kate Rubins Set to Return to Space Station

Carbon-rich exoplanets may be made of diamonds

Carbon-rich exoplanets may be made of diamonds

Carbon-rich exoplanets may be made of diamonds

Hubble Stows a Pocketful of Stars

Ingredient missing from current dark matter theories

Ingredient missing from current dark matter theories

Ingredient missing from current dark matter theories

Ingredient missing from current dark matter theories

Ingredient missing from current dark matter theories

Unique supernova explosion

Giant particle accelerator in the sky

Giant particle accelerator in the sky

Unique supernova explosion

Giant particle accelerator in the sky

Unique supernova explosion

Revealing the secrets of high-energy cosmic particles

Unique supernova explosion

Unique supernova explosion

Unique supernova explosion

Revealing the secrets of high-energy cosmic particles

Revealing the secrets of high-energy cosmic particles

Revealing the secrets of high-energy cosmic particles

Revealing the secrets of high-energy cosmic particles

Meteorites show transport of material in early solar system

Be a NASA Flight Director

Meteorites show transport of material in early solar system

Meteorites show transport of material in early solar system

Massive halo finally explains stream of gas swirling around the Milky Way

Massive halo finally explains stream of gas swirling around the Milky Way

Massive halo finally explains stream of gas swirling around the Milky Way

AI used to show how hydrogen becomes a metal inside giant planets

Atomistic modelling probes the behavior of matter at the center of Jupiter

Sand-sized meteoroids are peppering asteroid Bennu

Sand-sized meteoroids are peppering asteroid Bennu

Australian telescope finds no signs of alien technology in 10 million star systems

Australian telescope finds no signs of alien technology in 10 million star systems

California's Creek Fire at Night

Australian telescope finds no signs of alien technology in 10 million star systems

How to have a blast like a black hole

How to have a blast like a black hole

How to have a blast like a black hole

How to have a blast like a black hole

Star Trek and NASA: 54 Years and Counting

Determining the interior of Mars

Completing the Roman Telescope's Primary Mirror

Peculiar planetary system architecture around three Orion stars explained

Peculiar planetary system architecture around three Orion stars explained

Peculiar planetary system architecture around three Orion stars explained

Booster Test for Future Space Launch System Flights

An unexpected origin story for a lopsided black hole merger

An unexpected origin story for a lopsided black hole merger

An unexpected origin story for a lopsided black hole merger

An unexpected origin story for a lopsided black hole merger

Has Earth's oxygen rusted the Moon for billions of years?

Zooming in on dark matter

Zooming in on dark matter

Zooming in on dark matter

Zooming in on dark matter

Zooming in on dark matter

Zooming in on dark matter

Zooming in on dark matter

A 'bang' in LIGO and Virgo detectors signals most massive gravitational-wave source yet

Mars's Twin Peaks

A 'bang' in LIGO and Virgo detectors signals most massive gravitational-wave source yet

A 'bang' in LIGO and Virgo detectors signals most massive gravitational-wave source yet

A 'bang' in LIGO and Virgo detectors signals most massive gravitational-wave source yet

Researchers predict location of novel candidate for mysterious dark energy

Researchers predict location of novel candidate for mysterious dark energy

Researchers predict location of novel candidate for mysterious dark energy

Researchers predict location of novel candidate for mysterious dark energy

Researchers predict location of novel candidate for mysterious dark energy

Researchers predict location of novel candidate for mysterious dark energy

September 2020: Four Planets & More!

Europe's largest Solar Telescope GREGOR unveils magnetic details of the Sun

Europe's largest Solar Telescope GREGOR unveils magnetic details of the Sun

Skylab Commander Jerry Carr Trains for His Mission