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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...

Exploring strangeness and the primordial Universe

Exploring strangeness and the primordial Universe

Space station's cosmic detector working after 4 spacewalks

Exploring strangeness and the primordial Universe

To make amino acids, just add electricity

Ultra-high energy events key to study of ghost particles

February 2020: Five Planets & More!

Your brain on Mars: How scientists will track astronauts' mental performance on missions

Image: Hubble spies bar, baby stars

Making simulated cosmic dust—in the microwave

NASA's Spitzer Space Telescope ends mission of astronomical discovery

From Antarctica to space: Telemedicine at the limit

NASA Day of Remembrance

Luca Parmitano Works to Repair the Alpha Magnetic Spectrometer

Astronomers witness the dragging of space-time in stellar cosmic dance

Newest solar telescope produces first images

Newest solar telescope produces first images

Citizen science discovers a new form of the northern lights

Astronomers investigate broadband variability of the blazar Markarian 501

Two satellites just avoided a head-on smash: How close did they come to disaster?

Solar Orbiter mission to track the sun's active regions, improve space weather prediction

Two defunct satellites speed toward possible collision

NASA shutting down space telescope, infrared eyes to cosmos

Better than reality: NASA scientists tap virtual reality to make a scientific discovery

NSF's newest solar telescope produces first images, most detailed images of the sun

Meteorite chunk contains unexpected evidence of presolar grains

Meteorite chunk contains unexpected evidence of presolar grains

Space super-storm likelihood estimated from longest period of magnetic field observations

Space super-storm likelihood estimated from longest period of magnetic field observations

Cover of CHEOPS space telescope open

CHEOPS opens its eye to the sky

Image: Cosmic caller goes out with a bang

Video: Intense 'Beyond' mission for Luca

CHEOPS opens its eye to the sky

Astrophysicists construct approximations for the metric of spherically symmetric black holes

Citizen scientists discover a new form of the Northern Lights

Quasi-periodic variability observed in two blazars

A cubesat deployed a de-orbiting tether and now it's losing altitude 24 times faster than before

Mystery at Mars pole explained

Mystery at Mars pole explained

Voyager 2 engineers working to restore normal operations

'Curious and curiouser!' Meteorite chunk contains unexpected evidence of presolar grains

'Curious and curiouser!' Meteorite chunk contains unexpected evidence of presolar grains

NASA's Interstellar Mapping and Acceleration Probe mission enters design phase

Astronaut craves salsa and surf after record 11 months aloft

AI could deceive us as much as the human eye does in the search for extraterrestrials

Chandra Spots a Mega-Cluster of Galaxies in the Making

Stalking Starlink's 'black sheep' DarkSat

Two new outbursts detected from the magnetar 1E 1048.1−5937

Image: Spacewalk to service the Alpha Magnetic Spectrometer

Tarantula Nebula spins web of mystery in Spitzer image

Spitzer Observes TRAPPIST-1

How Earth climate models help picture life on unimaginable worlds

Image: Hubble sees dusty galaxy with supermassive center

In a rare sighting, astronomers observe burst of activity as a massive star forms

Flying solo: Solar Orbiter will take first-ever direct images of solar poles

New insights about the brightest explosions in the Universe

New insights about the brightest explosions in the Universe

New insights about the brightest explosions in the Universe

New insights about the brightest explosions in the Universe

For hottest planet, a major meltdown, study shows

Spacewalking astronauts close to fixing cosmic ray detector

Evidence of strong early magnetic field around Earth

Evidence of strong early magnetic field around Earth

US Space Force logo draws comparisons to 'Star Trek'

TV provider shifting satellite to high orbit over explosion fears

Setting the Stage for Artemis Testing

NASA's Kepler witnesses vampire star system undergoing super-outburst

Astronomers detect large amounts of oxygen in ancient star's atmosphere

Astronomers detect large amounts of oxygen in ancient star's atmosphere

Astronomers detect large amounts of oxygen in ancient star's atmosphere

Astronomers detect large amounts of oxygen in ancient star's atmosphere

NESSI emerges as new tool for exoplanet atmospheres

NESSI emerges as new tool for exoplanet atmospheres

Galileo now replying to SOS messages worldwide

Simulations reveal galaxy clusters details

Astronomers detect large amounts of oxygen in ancient star's atmosphere

New insights about the brightest explosions in the Universe

How NASA's Webb Telescope will continue Spitzer's legacy

Betelgeuse is continues to dim, diminishes to 1.506 magnitude

Second space data highway satellite set to beam

Astronomers investigate physical properties of the galaxy PGC 26218

Mars' water was mineral-rich and salty

Mars' water was mineral-rich and salty

First space-baked cookies took two hours in experimental oven

OSIRIS-REx completes closest flyover of sample site nightingale

OSIRIS-REx completes closest flyover of sample site nightingale

Canberra astronomer becomes first Australian to win major US science award in 133 years

Inner complexity of Saturn moon, Enceladus, revealed

Inner complexity of Saturn moon, Enceladus, revealed

Martin Luther King Day of Service at NASA Headquarters

Astronomers find a way to form 'fast and furious' planets around tiny stars

New models reveal inner complexity of Saturn moon

The riddle of the heavenly bursts

NASA sounding rocket observing nitric oxide in polar night

Gravitational wave echoes may confirm Stephen Hawking's hypothesis of quantum black holes

EU announces funding for Ariane 6 and other space-tech

Budget battle hampers EU in space

Astrophysicists find massive black holes wandering around dwarf galaxies

The salt of the comet

Liftoff of SpaceX's In-Flight Abort Test

Warming up for the sun

Source position and duration of a solar type III radio burst observed by LOFAR

China's 500-meter FAST radio telescope is now operational

Astronomers perform a comprehensive study of young open cluster NGC 1960

Global Gaia campaign reveals secrets of stellar pair

Astronomers use 'cosmic echolocation' to map black hole surroundings

Flight through the comet Chury's dust cloud resolves chemical mystery

Image: The sun in 2019

Spacewalking astronauts wrapping up battery improvements

BSNIP project releases spectra of more than 200 Type Ia supernovae

A brain transplant for one of Australia's top telescopes

First results from the Dark Energy Survey

ESA opens oxygen plant, making air out of moondust

Heat wave signals the growth of a stellar embryo

SpaceX in 'perfect' test of Crew Dragon emergency abort system

No astrovans for SpaceX, crews riding to rockets in Teslas

SpaceX launches, destroys rocket in astronaut escape test

Iran says it is preparing for satellite launch

Rough seas delay escape test for SpaceX crew capsule

Scientists measure the evolving energy of a solar flare's explosive first minutes

Hubble Views Galaxy From Famous Catalog

The core of massive dying galaxies already formed 1.5 billion years after the Big Bang

New astronomical instrument on the hunt for exoplanets

Here and gone: Outbound comets are likely of alien origin

Image: Hubble views galaxy from famous catalog

XMM-Newton discovers scorching gas in Milky Way's halo

First Spacebus Neo satellite launched

Cuatro Cienegas Basin, Mexico

ExoMars Rover completes environmental tests

Behind howls of solar wind, quiet chirps reveal its origins

Possible discovery of a new super-Earth orbiting Proxima Centauri

Taking the temperature of dark matter

Astronomers discover class of strange objects near our galaxy's enormous black hole

When the milky way collided with dwarf galaxy gaia-enceladus

Active asteroid unveils fireball identity

Astronauts Nick Hague and Anne McClain at the National Air and Space Museum

Plant-powered sensor sends signal to space

Putting the universe under the telescope

Helmet trouble strikes second all-female spacewalk

X-60A program conducts integrated vehicle propulsion system verification test

V473 Lyr has a low-mass companion, study suggests

Huygens landing spin mystery solved

Astronomers reveal interstellar thread of one of life's building blocks

X-rays and gravitational waves will combine to illuminate massive black hole collisions

Connecting the dots in the sky could shed new light on dark matter

Betelgeuse: Star's weird dimming sparks rumors that its death is imminent

'Cold Neptune' and two temperate super-Earths found orbiting nearby stars

Data from antipodal places: First use of CMB polarization to detect gravitational lensing from galaxy clusters

AstroSat observations unveil properties of black hole binary MAXI J1820+070

NASA's Mars 2020 rover closer to getting its name

Meteorite contains the oldest material on Earth: 7-billion-year-old stardust

How the solar system got its 'Great Divide,' and why it matters for life on Earth

TESS dates an ancient collision with our galaxy

Observing Titan for Signs of Life

Stars need a partner to spin universe's brightest explosions

Rippling ice and storms at Mars' north pole

Another state change of the variable gamma-ray pulsar PSR J2021+4026 observed by astronomers

Virtual Telescope Project confirms 2020 AV2— the first asteroid found to move entirely inside the orbit of Venus

The interiors of stars

Oxygen line opens new perspective on the far universe

Wanted: Girlfriend to fly to the Moon with Japanese billionaire

'Space unites us': First Iranian-American astronaut reaches for stars

Satellite constellations harvest energy for near-total global coverage

Shocked meteorites provide clues to Earth's lower mantle

Eyeing Moon, NASA hosts first public astronaut graduation ceremony

SuperTIGER on its second prowl—130,000 feet above Antarctica

Welcoming NASA’s Newest Astronauts

NASA's latest astronaut graduates almost half women

Mars: Water could disappear faster than expected

Experiment on beta-decay sheds light on fate of intermediate-mass stars

A stripped helium star solves the massive black hole mystery

Experiment on beta-decay sheds light on fate of intermediate-mass stars

Stellar black holes: When David poses as Goliath

First sighting of hot gas sloshing in galaxy cluster

Study probes the origin of the very high energy gamma-ray source VER J1907+062

On the hunt for primordial black holes

Landsat 9: The pieces come together

NASA's Lucy mission confirms discovery of Eurybates satellite

Simulation of dwarf galaxy reveals different routes for strontium enrichment

Satellite constellations harvest energy for near-total global coverage

Lucy mission now has a new destination

Water could disappear from Mars faster than expected

WHOI underwater robot takes first-known automated sample from ocean

A waxing crescent Moon

Stellar heavy metals can trace history of galaxies

Hubble detects smallest known dark matter clumps

A new tool for 'weighing' unseen planets

Goldilocks stars are best places to look for life

Cosmic magnifying glasses yield independent measure of universe's expansion

NASA TV coverage set for three spacewalks in January

Moon river: Rocket part ferried on the mighty Mississippi

Researchers take exploration of key 'building block' particles into space

NEID exoplanet instrument sees first light

Planet WASP-12b is on a death spiral, say scientists

Virgin Galactic's next spaceship reaches build milestone

Cosmic bubbles reveal the first stars

What Happens When Planets Collide

Black hole transient GRS 1716−249 investigated in hard and intermediate states

Planet WASP-12b is on a death spiral, say scientists

The Milky Way's impending galactic collision is already birthing new stars

New map of Milky Way reveals giant wave of stellar nurseries

NASA's TESS mission uncovers its first world with two stars

Surprise! TESS shows ancient north star undergoes eclipses

TESS Finds First Earth-Size Planet in the Habitable Zone

Space-baked cookies, 'mighty' mice back on Earth via SpaceX

Binary star V Sagittae will explode as a very bright 'nova' by century's end

LIGO-Virgo gravitational wave network catches another neutron star collision

Surprise! TESS shows Alpha Draconis undergoes eclipses

Famous black hole has jet pushing cosmic speed limit

NASA planet hunter finds its first earth-size habitable-zone world

TESS mission uncovers its first world with two stars

SpaceX launches third batch of Starlink satellites

NASA contractor settles whistleblower complaint for $375,000

NASA planet hunter finds Earth-size habitable-zone world

NASA's Hubble surveys gigantic galaxy

Astronomers find wandering massive black holes in dwarf galaxies

The Next Step in Testing Rockets to Take Humanity to the Moon

New research looks at neutron star blasts

Scientists develop new method to detect oxygen on exoplanets

NASA's SLS moon rocket readies for next pit stop on way to Kennedy Space Center

Image: Hubble sights galaxy's celestial sequins

Glitch detected in the pulsar PSR J0908−4913

Astronomers spot distant galaxy group driving ancient cosmic makeover

The turbulent life of two supermassive black holes caught in a galaxy crash

Flying observatory maps the Milky Way

New evidence shows that the key assumption made in the discovery of dark energy is in error

NASA's Hubble surveys gigantic galaxy

Astronomers detect first stars 'bubbling out' from the cosmic Dark Ages

NASA's Great Observatories help astronomers build a 3-D visualization of exploded star

Expert discusses clearest image known of a cluster of galaxies from 10 billion years ago

Simulated image demonstrates the power of NASA's Wide Field Infrared Survey Telescope

Astronomers find wandering massive black holes in dwarf galaxies

Scientists find evidence that Venus has active volcanoes

Hubble Sights Galaxy’s Celestial Sequins

Planetary nebula WR 72 has hydrogen-poor knots, study finds

Looking back at a New Horizons New Year's to remember

Research sheds light on the moon's dark craters

Alien life is out there, but our theories are probably steering us away from it

Scientists pin down timing of lunar dynamo's demise

Study unveils the nature of young stars near the cometary globule CG 30

First reported occurrence and treatment of spaceflight medical risk 200+ miles above earth

Ultimate Telemedicine: Expert helps treat astronaut's blood clot during NASA mission

Ultimate Telemedicine: Expert helps treat astronaut's blood clot during NASA mission

Glittering Lights of Earth As Seen From the Space Station

Astronomers say SpaceX's satellites are too bright in the sky. Friday's launch will try to fix that

UNC expert helps treat astronaut's blood clot during NASA mission

GMRT discovers a gigantic ring of hydrogen gas around a distant galaxy

India targets new moon mission in 2020

New device in New Mexico turns back clock on astronomy

January 2020: Mid-winter Wonders