Spectroscopic parallax is more accurate than trigonometric parallax for nearby stars

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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For the 1045 steel shown in Figure 6.22, determine the elastic modulus, the upper yield point, and the lower yield point.

What will be an ideal response?

Physics & Space Science

In order of visual luminosity at the start, which is most luminous?

A) a red supergiant B) a planetary nebula C) a nova D) a type I supernova E) a type II supernova

Physics & Space Science

Why so much emphasis upon units? Why are units considered to be as important as the quantity, "magnitude", of something?

What will be an ideal response?

Physics & Space Science

Note the expression: y = A/x2 . Which statement is most consistent with this expression?

a. y is less than A b. if x is doubled, y is multiplied by a factor of four c. if x is halved, y is multiplied by a factor of four d. y is greater than x

Physics & Space Science