The magnitude of three stars is indicated....

Question 1 / 2066636ee928f7522a1c519b62

Question 1 of 2066636ee928f7522a1c519b62

The magnitude of three stars is indicated. Which star is the brightest?

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Question 1 of 20

66636ee928f7522a1c519b62

The magnitude of three stars is indicated. Which star is the brightest?

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🔍 Key Concepts

• Stellar magnitude scale and what a lower vs higher number means • Difference between apparent magnitude (brightness as seen from Earth) and physical size • How positive and negative magnitude values relate to brightness

💭 Think About

• Compare the numerical values of the magnitudes given and recall whether a smaller or larger magnitude number corresponds to higher brightness • Think about very bright objects like the Sun or Sirius—are their magnitudes large positive numbers, small positive numbers, or even negative? • Ask yourself if the term ‘magnitude’ in basic astronomy is used for physical diameter or for how bright the object appears in the sky

✅ Before You Answer

• Verify whether lower magnitude = brighter or higher magnitude = brighter on the astronomical magnitude scale • Confirm that the term used in simple star charts is apparent magnitude (brightness), not physical size • Check which of the given stars has the smallest numerical magnitude value (closest to zero or negative)

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Question 1 of 20

The magnitude of three stars is indicated. Which star is the brightest?

Vega +0.1

Antares +1.2

Altair +0.9

Cannot be determined; magnitude indicates size not brightness

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Question 1 / 2066636ee928f7522a1c519b62

Question 1 of 2066636ee928f7522a1c519b62

The magnitude of three stars is indicated. Which star is the brightest?

Back

Question 1 of 20

66636ee928f7522a1c519b62

The magnitude of three stars is indicated. Which star is the brightest?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed