What Is Microlensing

question 351

Multiple Choice

What is microlensing?

• A) the minute shift in the apparent position of a star as an object passes in front of it
• B) the slow brightening of a star as an object passes in front of it
• C) the temporary disappearance of a star as an object passes in front of it
• D) the gradual reduction in brightness of a star as an object passes in front of it

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Definitions:

Thermodynamics

The branch of physics that deals with the relationships between heat and other forms of energy, and how these affect matter.

Usable Energy

energy that is available for doing work in a system, after accounting for energy lost as heat or in other unusable forms.

Transformed

Altered in form, appearance, or structure, especially significantly so.

Substrate Concentration

The amount of substrate present that can be acted upon by enzymes in a chemical reaction.