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

Author Question: Knowledge of a star's temperature and ________ enables us to calculate its radius, surface area, and ... (Read 118 times)

mydiamond

  • Hero Member
  • *****
  • Posts: 804
on: Jul 27, 2018
Knowledge of a star's temperature and ________ enables us to calculate its radius, surface area, and volume from the appropriate radiation law.
 
  Fill in the blank(s) with correct word

Question 2

Why is Galileo Regio, the large circular feature on Ganymede, so dark?
 
  A) It is composed of dense basaltic mantle rock that once flowed like lunar mare.
  B) It is the result of micrometeorite dust settling onto it over several billion years.
  C) It has an asphalt-like material that is like the dark side of Iapetus of Saturn.
  D) It is the result of ultraviolet light from the Sun interacting with the ice and creating a substance that is quite dark.
  E) It is the site of a recent meteorite impact that scattered a lot of dark, rocky material.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

annierak

  • Sr. Member
  • ****
  • Posts: 340
Reply #1 on: Jul 27, 2018
Answer to Question 1

luminosity or absolute magnitude

Answer to Question 2

B


mydiamond

  • Hero Member
  • *****
  • Posts: 804
Reply #2 on: Jul 27, 2018
TY


annierak

  • Sr. Member
  • ****
  • Posts: 340
Reply #3 on: Jul 27, 2018
You're welcome


« previous next »
 

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

Did you know?

Aspirin may benefit 11 different cancers, including those of the colon, pancreas, lungs, prostate, breasts, and leukemia.

Did you know?

Women are 50% to 75% more likely than men to experience an adverse drug reaction.

Pili extending from the surface of Proteus mirabilis. Pili extending from the surface of Proteus mirabilis.
Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into Angioplasty. One form is called balloon angioplasty, shown here. A balloon catheter is threaded into
The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star The reflection nebula NGC 1999 is brilliantly illuminated by V380 Orionis (center), a variable star
Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
The xy plane is painted with a uniform surface charge density which is equal to 40 nC/m2 . ... The xy plane is painted with a uniform surface charge density which is equal to 40 nC/m2 . ...
The drum shown in the figure has a radius of 0.40 m and a moment of inertia of 2.3 kg m2about ... The drum shown in the figure has a radius of 0.40 m and a moment of inertia of 2.3 kg m2about ...
Video: Rods and Cones Animation

For a complete list of videos, visit our video library