An Astronomer Observes Two Type Ia Supernovas in Different Galaxies

question 1

Multiple Choice

An astronomer observes two Type Ia supernovas in different galaxies.The first is in a galaxy 100 Mpc away.If the second supernova is 10⁶ times fainter than the first but has an identical light curve,how far away is the second supernova's host galaxy?

• A) 10³ Mpc
• B) 10⁸ Mpc
• C) 10⁶ Mpc
• D) 10⁵ Mpc

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Definitions:

Latin

An ancient Indo-European language of the Italic branch, historical language of the Roman Empire, and a foundation for many modern languages' vocabulary and grammar.

Woese

Woese refers to Carl Woese, a microbiologist known for defining the Archaea (a new domain of life) through phylogenetic taxonomy of 16S ribosomal RNA, a technique that revolutionized the classification of microorganisms.

Prokaryotes

Microorganisms characterized by the absence of a distinct nucleus, including bacteria and archaea, with simpler cellular organization compared to eukaryotes.

DNA Sequences

The precise order of nucleotides within a DNA molecule, determining genetic information and instructions for the development and functioning of living organisms.