15-12-2022
Chemistry

contestada

If a star has an absolute magnitude of 10 and a temperature of 20,000 K, under which spectral class would the star be classified?

A

O

B

F

If a star has an absolute magnitude of 10 and a temperature of 20000 K under which spectral class would the star be classified A O B F class=

Respuesta :

Otras preguntas

Factor t2 – 10t + 25

what was the purpose of the Hartford Convention?

Which event marks the final stage in the collapse of the Songhai empire? revolts from deposed kings civil wars among the priests weakening from the slave

Trichodesmium is a nitrogen-fixing cyanobacteria. Why might this cyanobacteria be important to other organisms in nitrogen-poor waters? They convert atmosphe

Place the types of surfaces below in order, starting with the lowest friction and ending with the highest. floor tile, glass, sandpaper,and wood

Alice suffered a minor electrical shock as she switched on her bathroom light. She is concerned and wants to prevent it from happening again. What should Alice

If h(r)=2/3r-6, what is the value of h(-9)

Which sentence contains an adverb clause? A. My family lives in Boston, which often has much cooler weather. B. Once we unpack our suitcases, we will

Simplified ratio 0.4

Expressionists alter the shape of forms, and they use color as an independent expressive element. Which of these artists served as an inspiration for early expr