What Is the Brightest Standard Candle, and Therefore the One

question 153

Multiple Choice

What is the brightest standard candle, and therefore the one that is visible to the greatest distance, found so far?

• A) Type Ia supernovae
• B) brightest H II regions in each galaxy
• C) brightest globular cluster of each galaxy
• D) Cepheid variables

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Definitions:

Diplomonads

Diplomonads are a group of protozoans, often parasites, characterized by having two nuclei and a symmetrical appearance.

Archaeplastids

A monophyletic supergroup of eukaryotes with chloroplasts bounded by outer and inner membranes; include red algae, green algae, and land plants.

Green Algae

A large group of photosynthetic, primarily aquatic organisms, including both unicellular and multicellular forms, that are similar to plants in having chlorophyll a and b.

Amoebozoans

A group of amoeba-like eukaryotes, characterized by their amorphous shape and movement through cytoplasmic streaming.