An Exoplanet with a Spin Axis Similar to Uranus's Transits

question 4

Multiple Choice

An exoplanet with a spin axis similar to Uranus's transits its star.If the exoplanet had large planetary rings,astronomers who measured the transit's depth might:

• A) overestimate the planet's radius.
• B) overestimate the planet's orbital semimajor axis.
• C) underestimate the planet's mass.
• D) underestimate the planet's orbital semimajor axis.

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Definitions:

Scrap Value

The estimated value that an asset will realize upon its sale at the end of its useful life, typically a minimal amount reflecting its residual value.

Straight-Line Method

A depreciation method that allocates an equal amount of the cost of an asset to each year of its useful life.

Scrap Value

The projected amount an asset is expected to generate when it is sold after reaching the end of its lifespan.

Double-Declining-Balance

A method of accelerated depreciation which doubles the rate of straight line depreciation, expensing more of the asset's value in the early years of its life.