In the First Direct Detection of Gravitational Waves by LIGO

question 2

Multiple Choice

In the first direct detection of gravitational waves by LIGO in 2015, the waves came from

• A) the collapse of a nearby star into a white dwarf
• B) a supernova explosion in a nearby galaxy
• C) the merger of two black holes
• D) the rapid motion of three hot Jupiter planets around a nearby star
• E) the dashed hopes of all the people in the U.S. who want their government to work well for them

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Definitions:

Mitosis

A type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

DNA Replication

The process by which a cell duplicates its DNA, producing two identical copies from the original DNA molecule.

Spindle Apparatus

The spindle apparatus is a cellular structure composed of microtubules. It plays a critical role in chromosome separation during cell division.

DNA Duplicated

The process of a DNA molecule making an exact copy of itself, crucial for cell division and genetic inheritance.