Eding vs new star
A great debate!
Eddington and New Star are two of the most iconic and influential stars in the history of astronomy. Both are massive stars that have played a significant role in shaping our understanding of the universe. Here's a brief comparison:
Eddington
- Name: Alpha Centauri A
- Type: G-type main-sequence star (similar to the Sun)
- Mass: approximately 1.1 times the mass of the Sun
- Radius: approximately 1.4 times the radius of the Sun
- Luminosity: approximately 1.5 times the luminosity of the Sun
- Age: approximately 4.85 billion years old (similar to the Sun)
Sir Arthur Eddington, a British astrophysicist, was the first to propose the concept of the "Eddington limit," which is the maximum luminosity that a star can sustain without being blown apart by its own radiation pressure. This limit is still an important concept in astrophysics today.
New Star
- Name: V1309 Scorpii
- Type: Yellow hypergiant
- Mass: approximately 25-30 times the mass of the Sun
- Radius: approximately 1,200 times the radius of the Sun
- Luminosity: approximately 100,000 times the luminosity of the Sun
- Age: approximately 10-20 million years old (young compared to the Sun)
The "New Star" refers to V1309 Scorpii, a yellow hypergiant that was discovered in 2008. It is one of the most massive stars known, with a mass similar to that of the Pistol Star, another famous massive star. The New Star is thought to be in the final stages of its life, and its rapid evolution is likely due to its high mass loss rate.
Comparison
- Both stars are massive, but Eddington is much less massive than the New Star.
- Eddington is a G-type main-sequence star, similar to the Sun, while the New Star is a yellow hypergiant, a much more massive and luminous type of star.
- Eddington is much older than the New Star, with an age similar to the Sun, while the New Star is relatively young, with an age of only 10-20 million years.
- Both stars have played important roles in shaping our understanding of the universe, with Eddington's concept of the Eddington limit being a fundamental concept in astrophysics, and the New Star's rapid evolution providing insights into the final stages of massive star evolution.
In summary, while both Eddington and the New Star are massive stars, they differ significantly in terms of their mass, luminosity, age, and evolutionary stage.