Stars

The debris disk around the star HD 32297 is send edge-on so it appears as a line knifing across the star (the star itself is blocked for better contrast). Credit: International Gemini Observatory/NOIRLab/NSF/AURA/T. Esposito (UC Berkeley) Image processing
High-def images show planetary construction sites around nearby stars
Phil Plait
Trending on SYFY WIRE in Stars
Tag: Bad Astronomy
Tag: ALMA
Tag: Antares
Tag: Supernova
Tag: Betelgeuse

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Tag: Science
Tag: Bad Astronomy
Tag: Antares
Wait. *How* big is Antares?
Phil Plait
A radio image of Antares using ALMA (left) shows the star’s immense chromosphere, and then shows that in comparison to observations with VLA (right) that show the wind blowing from the star. The material on the right is lit by the binary companion star to
Tag: Science
Tag: Bad Astronomy
Tag: Antares
Tag: Science
Tag: New Horizons
Tag: Proxima Centauri
New Horizons probe delivers first-ever parallax images of interstellar space
Jeff Spry
parallax 2
Tag: Science
Tag: New Horizons
Tag: Proxima Centauri
Tag: Science
Tag: Bad Astronomy
Tag: galaxies
When were the *very* first stars born? Earlier than we can see, even with Hubble
Phil Plait
Artwork depicting the first stars in the Universe lighting up the gas clouds from which they were born. Credit: NAOJ
Tag: Science
Tag: Bad Astronomy
Tag: galaxies
Tag: Science
Tag: Bad Astronomy
Tag: Stars
Want to make planets? Stay away from monster stars.
Phil Plait
May 29, 2020
A Hubble of the huge star cluster Westerlund 2 reveals tens of thousands of stars, as well as gas and dust from which they form. Credit: NASA, ESA, the Hubble Heritage Team (STScI/AURA), A. Nota (ESA/STScI), and the Westerlund 2 Science Team
Tag: Science
Tag: Bad Astronomy
Tag: Stars
Tag: Science
Tag: Bad Astronomy
Tag: Stars
B E T E L G E U S E
Phil Plait
May 12, 2020
Cropped part of the full-resolution image of Betelgeuse shows countless stars as well as a miasma of gas and dust in the background. Credit: Adam Block /Steward Observatory/University of Arizona
Tag: Science
Tag: Bad Astronomy
Tag: Stars
Tag: Science
Tag: Bad Astronomy
Tag: Sun
Our Sun is magnetically quiet compared to other stars. But why?
Phil Plait
May 4, 2020
An enormous prominence on the Sun erupted in 2012, caught here by the Solar Dynamics Observatory. Credit: NASA/GSFC/SDO
Tag: Science
Tag: Bad Astronomy
Tag: Sun
Tag: Science
Tag: Bad Astronomy
Tag: Hubble Space Telescope
Cosmic beauty and terror mark the 30th anniversary of Hubble Space Telescope
Phil Plait
Apr 24, 2020
A cluster of stars is forming the nebula NGC 2014, located about 160,000 light years from Earth in a neighboring galaxy.
Tag: Science
Tag: Bad Astronomy
Tag: Hubble Space Telescope
Tag: Science
Tag: Bad Astronomy
Tag: Supernova
Record breaker: Supernova 2016aps exploded with the energy of 100 *billion* Suns!
Phil Plait
Apr 14, 2020
Artwork depicting the explosion of a massive star: a supernova. Credit: M. Weiss
Tag: Science
Tag: Bad Astronomy
Tag: Supernova
Tag: Science
Tag: Bad Astronomy
Tag: Exoplanets
Can there be a well-behaved infant on a plane? Difficulty: Not an airplane. Also, it's an exoplanet.
Phil Plait
Mar 24, 2020
Artwork depicting DS Tuc Ab in silhouette in front of its host star. Credit: M. Weiss
Tag: Science
Tag: Bad Astronomy
Tag: Exoplanets
Tag: Science
Tag: Bad Astronomy
Tag: Nebula
The Question Mark Nebula
Phil Plait
Mar 5, 2020
NGC 7822, aka The Question Mark Nebula. Credit: Adam Block /Steward Observatory/University of Arizona
Tag: Science
Tag: Bad Astronomy
Tag: Nebula
Tag: Science
Tag: Bad Astronomy
Tag: Betelgeuse
Mea culpa: Betelgeuse and its dusty convective pulsations
Phil Plait
Mar 2, 2020
An infrared image of Betelgeuse shows it's surrounded by a vast cloud of gas with copious amounts of silicates and alumina. Credit: ESO/P. Kervella
Tag: Science
Tag: Bad Astronomy
Tag: Betelgeuse
Tag: Science
Tag: Bad Astronomy
Tag: Black Holes
Does our galaxy's huge black hole have a little black hole buddy?
Phil Plait
Feb 26, 2020
Artwork depicting two black holes orbiting each other. Credit: LIGO/Caltech/MIT/Sonoma State (Aurore Simonnet)
Tag: Science
Tag: Bad Astronomy
Tag: Black Holes
Tag: Science
Tag: Bad Astronomy
Tag: Betelgeuse
No supernova for you: Betelgeuse is brightening again right on schedule
Phil Plait
Feb 24, 2020
A simulation of the physical conditions inside Betelgeuse predict what the surface looks like, given hot gas rising, cooling, and falling back inside. Credit: Bernd Freytag
Tag: Science
Tag: Bad Astronomy
Tag: Betelgeuse
Tag: Science
Tag: Bad Astronomy
Tag: Betelgeuse
Betelgeuse's shenanigans just got weirder: Only *part* of it is dimming
Phil Plait
Feb 14, 2020
A new extremely high-resolution image of the star Betelgeuse shows its actual disk in December 2019. It appears to be dimmer in its lower half, which is likely tied to its recent dimming to less than 40% of its normal brightness. Credit: ESO/M. Montargès
Tag: Science
Tag: Bad Astronomy
Tag: Betelgeuse
Tag: Science
Tag: Bad Astronomy
Tag: Stars
Exoplanet smashup: The very weird dust disk around BD +20 307
Phil Plait
Feb 13, 2020
Artwork depicting the recent collision between two planets in the BD +20 307 binary star system, which created a thick disk of dust around the stars. Credit: NASA/SOFIA/Lynette Cook
Tag: Science
Tag: Bad Astronomy
Tag: Stars