cgastineau478 cgastineau478

23-04-2019
Physics

contestada

The period-luminosity relation is critical in finding distances with
A) RR Lyrae stars.B) trigonometric parallaxes.C) spectroscopic parallaxes.D) Cepheid variables.E) pulsars.

Respuesta :

luis1956 luis1956

23-04-2019

D hopefully this helps

Answer Link

Otras preguntas

describe the solution to the inequality c is lesser than or equal to -2

¿Cómo se llama IMB en Costa Rica? a) IBM Costa Rica b) Correo Central c) GBM

The sum of two numbers is 52 . The smaller number is 16 less than the larger number.What are the numbers?

Which description correctly identifies the cation, the anion, and the formula for the compound they create? A cation = Cl– anion = H+ formula = HCl B cati

please help on this one?

This english homework in russia can you helped will me ?

find the maximum value of c=4x+2y2x+2y less than or equal to 103x+y less than or equal to 9

what type of figrative language is this will be out of sight plzzzzzzzzz help

(a^(2)-4ac+3bc)/(a^(2)-ab+bc-ac)+(a+3b)/(b-a)+(a+2c)/(a-c)

Which best describes the lifestyle of the Native Americans in the eastern woodland region ?