diagram articles

What two intrinsic properties organize stars on the H-R diagram?

What two intrinsic properties organize stars on the H-R diagram?

Why does the H-R diagram place O-type stars on the far left side?

Why does the H-R diagram place O-type stars on the far left side?

What phase of stellar life does the Main Sequence primarily represent?

What phase of stellar life does the Main Sequence primarily represent?

Where are the physically enormous Giants and Supergiants located on the H-R diagram?

Where are the physically enormous Giants and Supergiants located on the H-R diagram?

What defines the position of White Dwarf stars on the H-R diagram?

What defines the position of White Dwarf stars on the H-R diagram?

What path does a Sun-like star follow after exhausting its core hydrogen?

What path does a Sun-like star follow after exhausting its core hydrogen?

How does the evolutionary path of Massive Stars differ post-Main Sequence?

How does the evolutionary path of Massive Stars differ post-Main Sequence?

What path represents the pre-Main Sequence contraction phase known as the Hayashi track?

What path represents the pre-Main Sequence contraction phase known as the Hayashi track?

What analytical feature on the H-R diagram reveals a star cluster's age?

What analytical feature on the H-R diagram reveals a star cluster's age?

In inferring stellar radius (R), what relationship governs L, R, and T?

In inferring stellar radius (R), what relationship governs L, R, and T?

Where are the hottest stars plotted on the H-R diagram's horizontal axis?

Where are the hottest stars plotted on the H-R diagram's horizontal axis?

What stellar process defines stars currently residing on the Main Sequence?

What stellar process defines stars currently residing on the Main Sequence?

What specific measure of intrinsic brightness corresponds to the vertical axis of the H-R diagram?

What specific measure of intrinsic brightness corresponds to the vertical axis of the H-R diagram?

Why are White Dwarfs located in the lower-left area of the H-R diagram?

Why are White Dwarfs located in the lower-left area of the H-R diagram?

Which two astronomers independently developed the H-R diagram concept around the early 1900s?

Which two astronomers independently developed the H-R diagram concept around the early 1900s?

How does the absolute magnitude scale work for the brightest stars on the vertical axis?

How does the absolute magnitude scale work for the brightest stars on the vertical axis?

Why are Giant stars found high on the vertical axis despite potentially cool surface temperatures?

Why are Giant stars found high on the vertical axis despite potentially cool surface temperatures?

What primary physical characteristic determines a star's position along the Main Sequence line?

What primary physical characteristic determines a star's position along the Main Sequence line?

How do astronomers use the H-R diagram to accurately age an open cluster of stars?

How do astronomers use the H-R diagram to accurately age an open cluster of stars?

Where is our own Sun, a G2V type star, situated on the H-R diagram?

Where is our own Sun, a G2V type star, situated on the H-R diagram?