Questions tagged [betelgeuse]
Questions about α Orionis, the red supergiant star located in the "shoulder" of the constellation Orion.
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What can be learned by observing tumbling asteroid 319 Leona passing in front of Betelgeuse's fickle photocenter? What campaigns have been organized?
There's a lot of interest in Betelgeuse party because of it's recent fainting behavior, and despite being so close, the huge uncertainty in it's distance due to its fickle photocenter:
Can New ...
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Betelgeuse, placing light bulb so that its apparent brightness is similar to that of Betelgeuse; wavelength where it shines brightest?
The giant star Betelgeuse will develop into a supernova in the future. After this event, his remains will be far too dark to be observed from Earth. In order to maintain the view of the starry sky, it ...
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Intuitive connection between the periods of oscillation of Betelgeuse and the elemental concentrations at its core? (Betelgeuse; Saio et al. (2023))
Preamble (yes it's long, but it's part of this question's premise, so need to spell it out)
Dr. Becky's recent video New study claims Betelgeuse supernova IMMINENT (decades not centuries!) | Night Sky ...
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How will the 2023 occultation of Betelgeuse be seen from Iran?
I was looking at the Wikipedia page for 319 Leona and I got excited to know that it will occult the bright star Betelgeuse on December 12, 2023 (It's predicted with the use of Solex application):
On ...
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What would Betelgeuse look like from Earth if it was at the edge of the Solar System
If we parked Betelgeuse just outside the Solar System, how big would it look from Earth?
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How bright would Betelgeuse's supernova appear?
Popular science articles suggest that when Betelgeuse goes supernova, for some days it would appear as bright as the full moon. But I have no intuition about a celestial point source that bright.
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Betelgeuse appears in a rainbow of colors through a Newtonian telescope
My husband and I are complete amateurs. Tonight was only our second night using our new Orion XT6 Dobsonian telescope. Betelgeuse looked very clear, bright red. However, when we pointed the telescope ...
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If Betelgeuse is exploding in 2022, why would we see the explosion in 2022?
I have heard a lot about Betelgeuse exploding in 2022. But, I had a doubt about this. Astronomers are still receiving signals from Betelgeuse. And if Betelgeuse is going to explode in 2022, then ...
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If Betelgeuse dimmed because of dust, what became of the dust?
This question started as a clarification request of a question from Glorfindel, answered at least in part by James K, and I realized it would probably be best as a stand-alone question.
The most ...
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Is there any other theory to explain Betelgeuse's strange behavior except cosmic dust?
There is strange activity going for the last few months [leading up to November 2021] on Betelgeuse. First doubted as supernova and later cosmic or cosmological dust.
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Why does the Simbad page "A.A. Michelson's Jovian Galilean-satellite interferometer" show data for Betelgeuse?
When searching for things related to How did Michelson measure the diameters of jupiter's moons using optical interferometry? I came across the ui.adsabs.harvard.edu entry A. A. Michelson's Jovian ...
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Can New Horizons be used to measure the distance to Betelgeuse (despite its fickle photocenter)?
The New Horizons spacecraft is almost 50 AU from Earth and near-simultaneous images taken by its telescope and one on Earth have demonstrated parallax without relying on the movement of Earth in it's ...
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How is the roll of the Hubble telescope around its axis and the dispersive direction(s) of it's spectrometer(s) managed?
Reading Dupree et al. 2020 Spatially Resolved Ultraviolet Spectroscopy of the Great Dimming of Betelgeuse (also in arXiv and summarized in Phys.org's Hubble finds that Betelgeuse's mysterious dimming ...
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Is Betelgeuse is continually expelling material on the scale of the 2019/2020 event?
The AUGUST 13, 2020 Phys.org article
Results from Hubble suggest that Betelgeuse's recent dimming was due to material ejected from the star says:
...the star's unexpected and significant dimming ...
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Why does Stellarium tell such imprecise distance for Betelgeuse? [duplicate]
The newest version of Stellarium, as well as the former ones, tell that Betelgeuse would be 497.95 ly plus/minus 56 ly away. Celestia also lists Betelgeuse ~500 ly away, but Celestia is comparably old....
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