Questions tagged [red-dwarf]
Questions about red dwarfs, the smallest and most abundant stars in the universe.
8 questions
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Existence of planets larger than their host star?
The mass region of objects between ~ 0.5 Jupiter masses and 80 Jupiter masses (gas giants through to brown dwarfs and red dwarfs) is typified by an almost flat relationship with object diameter. There ...
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Are Brown and Sub-Brown Dwarfs secretly more common than stars?
I recently heard that Red Dwarfs are the most common type of star, and low-mass Red Dwarfs are the most common type of Red Dwarf. This seems to imply a generic trend that the lower the mass, the more ...
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The colour of blue dwarf stars
The paper "M dwarfs: planet formation and long term evolution" describes blue dwarf stars, a hypothetical next-stage in the lifespan of red dwarf stars within a certain mass range, after which they ...
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Is the mechanism of solar flares on red dwarfs and brown dwarfs the same as that on the Sun?
The Sun has solar flares that are caused when there is a magnetic reconnection in the Sun's atmosphere, causing a loop of magnetic field to be ejected at high energy, along with a large number of ...
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Would a red dwarf star resemble our own Sun at sunset to an observer on a nearby planet?
Suppose you're observing a red dwarf star at Noon from the surface of an Earth-like planet orbiting in the red dwarf's habitable zone, so that the red dwarf's luminosity is equal to our own Sun.
Aside ...
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Does habitable zone take tidally locked bodies into account?
Imagine a tidally locked planet orbiting a red dwarf, where habitability is not situated close to terminator zone, but on a "small" cap normal to incident starlight (zenith) with permanent average +15 ...
user16500
2
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1
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Lifespan of higher mass red dwarf stars
Wikipedia and the reference paper they are using offer some insights into the lifespan of smaller red dwarf stars (link). However it offers no insight as to what the projected lifespan of larger red ...
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Is life (as we know it) even possible around M-class stars?
My Question is about the fascination in looking for life on M class or Red Dwarf stars.
We all know that Most stars (70%) are M Class, so looking at those stars is going to be important. The "...
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