Sentences with phrase «yellow dwarf»
"Yellow dwarf" refers to a type of star, such as our sun. It is called a "dwarf" because although it is still massive, it is smaller and less bright than other types of stars. The term "yellow" refers to the color it appears to be, which is yellowish-white. Full definition
Our little yellow dwarf star will eventually become a white dwarf instead.
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In about five billion years, our own Sun will make the transition from a main - sequence yellow dwarf star, to a red giant, with dramatic implications for Earth.
Observations of exoplanets have also shown that rocky, and potentially habitable, planets are just as common around red dwarfs as yellow dwarfs.
Red dwarf stars outnumber yellow dwarf stars like our sun by over a factor of ten.
Our beautiful yellow dwarf star is huge.
This star is a main - sequence white - yellow dwarf star of spectral and luminosity type F6 - 7 V. Gamma Leporis has about 1.2 times Sol's mass, about 1.3 times its diameter, and about 2.6 times of its luminosity.
It is currently a yellow dwarf, a star that is average in size and temperature.
A gas giant orbiting a yellow dwarf star roughly 63 light - years away, HD 189733b is the first exoplanet — short for extrasolar planet — for which astronomers have been able to produce a weather map.
Our sun is an ordinary type of star called a yellow dwarf.
Blue dwarfs, more massive but less common than yellow dwarfs, endure for only a fraction of that time, blowing themselves up in supernova explosions within about 30 million years.
Our civilization on Earth resides around a yellow dwarf star, but orange and red dwarf stars are much more numerous in the galaxy.
Our sun, for example, is a «yellow dwarf» star that is approximately halfway through its 10 - billion - year life span, fusing 600 million tons (544 million metric tons) of hydrogen per second.
Both of them orbit red dwarf stars smaller than our yellow dwarf sun.
These diminutive stars are dim and cool and have «habitable zones» that are much more compact than that of our sun, which is bigger and brighter and is a yellow dwarf.
The liquid water habitable zone provides the best observational constraint on where we would expect to find planets that could support conscious observers like us, and this study examines the probability of finding oneself on a planet in the habitable zone of a yellow dwarf star, compared to a red dwarf.
The results show that even though red dwarfs are much more numerous, they have a narrower habitable zone than yellow dwarfs, so our existence around a star like the sun is actually to be expected.
The statistics for this aspect of the problem suggest that our existence around a yellow dwarf star today, compared to a red dwarf star in the future, might be a slight statistical anomaly — perhaps on the order of finding oneself born ambidextrous or with perfect pitch.
They are smaller and dimmer than our own sun, so their Goldilocks zone is much closer by than in our case (our sun is a yellow dwarf).
A red dwarf, this star gives off less heat and light than our sun, which is a yellow dwarf star.
HD 76700 is a yellow dwarf with the stellar classification G6V.
Matthew Barney, River of Fundament: Yellow Dwarf, 2015, engraved bronze in bronze frame with gold plating.