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Venus can be as bright as apparent magnitude -4.7 when at a distance of about 1 AU. How many times fainter would Venus look from a distance of 9 pc? Assume Venus has the same illumination phase from your new vantage point. (Hints: Recall the inverse square law; also, review the definition of apparent visual magnitudes. Note: 1 pc = 2.1 x 105 AU). times fainter What would its apparent magnitude be?

Venus can be as bright as apparent magnitude -4.7 when at a distance of about 1 AU. How many times fainter would Venus look from a distance of 9 pc? Assume Venus has the same illumination phase from your new vantage point. (Hints: Recall the inverse square law; also, review the definition of apparent visual magnitudes. Note: 1 pc = 2.1 x 105 AU). times fainter What would its apparent magnitude be?

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____ times fainter

 

absolute magnitude ____

**Problem Statement:** Venus can be as bright as apparent magnitude -4.7 when at a distance of about 1 AU. How many times fainter would Venus look from a distance of 9 pc? Assume Venus has the same illumination phase from your new vantage point. (*Hints: Recall the inverse square law; also, review the definition of apparent visual magnitudes.*) **Note:** 1 pc = 2.1 x 10^5 AU. - [ ] times fainter **What would its apparent magnitude be?** - [ ]
Transcribed Image Text:**Problem Statement:** Venus can be as bright as apparent magnitude -4.7 when at a distance of about 1 AU. How many times fainter would Venus look from a distance of 9 pc? Assume Venus has the same illumination phase from your new vantage point. (*Hints: Recall the inverse square law; also, review the definition of apparent visual magnitudes.*) **Note:** 1 pc = 2.1 x 10^5 AU. - [ ] times fainter **What would its apparent magnitude be?** - [ ]
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