Type Ia Supernovae Have a Peak Luminosity of 3

question 83

Multiple Choice

Type Ia supernovae have a peak luminosity of 3.7 x10³⁶ W.If you discover a Type Ia supernovae in a distant galaxy that has a measured brightness of 9.5 x10^-17 W/m², then how far away is this galaxy? Note that 1 Mpc = 3.1 x10²² m.

• A) 0.3 Mpc
• B) 40 Mpc
• C) 1,200 Mpc
• D) 1,800 Mpc
• E) 3,500 Mpc

---

Definitions:

Verbal Phrase

A verbal phrase is a group of words expressing an action or a state of being, often used in mathematics to translate words into algebraic expressions or equations.

Divided

A mathematical operation where one quantity is evenly distributed into parts or groups.

Algebraic Expression

A combination of variables, numbers, and at least one arithmetic operation, without an equality sign.

Rectangle

A quadrilateral with four right angles and opposite sides that are parallel and equal in length.