stellar magnitude

Which object (based on apparent magnitude) is the brightest:

• Full Moon (-12.6)

• Venus (-4.4)

• Sirius (-1.4)

• Pluto (+15.1)

Which of the following are factors that impact stellar magnitude (brightness):

• Star Moisture

• Star Pressure

• Star Temperature

• Star distance from viewer

• Star Size

Which star has the hottest temperature:

• 
• 
• 
• 

Tags

NGSS.HS-ESS1-1

Which star has the coolest temperature:

• 
• 
• 
• 

Describe the difference between apparent magnitude and absolute magnitude:

Evaluate responses using AI:

OFF

Answer explanation

Apparent magnitude is how bright a star is while viewing from Earth. Absolute magnitude is the brightness of a star if it were placed 32.6 light years from Earth.

If these fires are the same size and temperature, which one is further away:

• 
• 
• 

Describe the change in apparent brightness with changing distance from the source:

Evaluate responses using AI:

OFF

Answer explanation

The closer a star is to Earth, the brighter it will appear.

If three stars of very similar size and temperature were located the same distance from Earth, how would they appear (in terms of brightness):

Evaluate responses using AI:

OFF

Answer explanation

They would all appear to have the same brightness.

Which star has the largest apparent magnitude (brightest):

• 
• 
• 
• 

Tags

NGSS.HS-PS4-3

Which star has the largest absolute magnitude (brightness):

• 
• 
• 
•