This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Two white dwarf stars are the same size, but one has a surface temperature twice as hot as the ... (Read 35 times)

londonang

  • Hero Member
  • *****
  • Posts: 540
on: Jul 27, 2018
Two white dwarf stars are the same size, but one has a surface temperature twice as hot as the other. The hotter star will radiate
 
  a. half as much energy per second as the cooler star.
  b. the same amount of energy per second as the cooler star.
  c. four times as much energy per second as the cooler star.
  d. sixteen times as much energy per second as the cooler star.

Question 2

An evening or morning star is a planet.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nguyenhoanhat

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

d

Answer to Question 2

True


londonang

  • Member
  • Posts: 540
Reply 2 on: Jul 27, 2018
Wow, this really help

JaynaD87

  • Member
  • Posts: 368
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

ACTH levels are normally highest in the early morning (between 6 and 8 A.M.) and lowest in the evening (between 6 and 11 P.M.). Therefore, a doctor who suspects abnormal levels looks for low ACTH in the morning and high ACTH in the evening.

Female tortoiseshell-and-white cat Female tortoiseshell-and-white cat
The five different types of leukocytes (white blood cells). The five different types of leukocytes (white blood cells).
Orangutan males are twice the size and weight of females. Orangutan males are twice the size and weight of females.
Dash Warning Lights: Coolant Temperature Light Dash Warning Lights: Coolant Temperature Light
The monohybrid cross between tall and dwarf pea plants The monohybrid cross between tall and dwarf pea plants
Micrograph of toothbrush bristles scrubbing plaque on a tooth surface. Micrograph of toothbrush bristles scrubbing plaque on a tooth surface.
Video: The life cycle of protein

For a complete list of videos, visit our video library