A Graduate Student Is Given the Assignment to Find Stars

question 3

Multiple Choice

A graduate student is given the assignment to find stars with dusty disks around them. What kind of telescope would it be best for her to use for this purpose?

• A) a small telescope that detects visible light
• B) a large telescope that detects infrared radiation
• C) any telescope that can detect x-rays
• D) an orbiting telescope that can detect ultra-violet rays
• E) the students should worry; any telescope can easily show such dusty disks

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Definitions:

Sieve Element

A type of cell found within the phloem of vascular plants, responsible for transporting sugars and other nutrients throughout the plant.

Companion Cell

In phloem, cell that provides metabolic support to its partnered sieve element.

Source Region

An area where specific air masses form, characterized by its uniform temperature and humidity patterns influencing weather and climate.

Sugars

Simple carbohydrates that are used as a primary energy source for living organisms.