Question 1

________ proposed canali on Mars.&#10;A) Einstein&#10;B) Galileo&#10;C) Copernicus&#10;D) Schiaparelli

Accepted Answer

Giovanni Schiaparelli, an Italian astronomer, proposed the existence of canali on Mars, which was later mistranslated as "canals," suggesting artificial structures.

Question 2

The scientists who believe there are many other planets in our galaxy are called _____.&#10;A) worlders&#10;B) many worlders&#10;C) loners&#10;D) exoplanets

Accepted Answer

Many-worlders is the term used to describe scientists who believe in the existence of many other planets in our galaxy, reflecting the idea of a vast universe with numerous worlds beyond our own.

Question 3

This equation speaks of the possibility of intelligent, communicating life forms in the universe:&#10;A) Drake equation&#10;B) Lovelock equation&#10;C) SETI equation&#10;D) Life equation

Accepted Answer

The Drake equation is a probabilistic argument used to estimate the number of active, communicative extraterrestrial civilizations in the Milky Way galaxy.

Question 4

SETI searches concentrate on the &#34;waterhole&#34; in the electromagnetic spectrum. This is the range of wavelengths:&#10;A) 18 to 21 meters&#10;B) 18 to 21 centimeters&#10;C) 18 to 21 millimeters&#10;D) 18 to 21 nanometers

Accepted Answer

The "waterhole" in the electromagnetic spectrum, where SETI searches concentrate, is the range of wavelengths from 18 to 21 centimeters. This range is chosen because it is relatively quiet in terms of natural cosmic noise and falls within the microwave region, where hydrogen (at 21 cm) and hydroxyl (at 18 cm) emissions occur, which are fundamental to water.

Question 5

The idea that life came to the Earth from someplace else is called ______.

Accepted Answer

The answer of The idea that life came to the...

Question 6

Canali properly translated means ______.

Accepted Answer

The answer of Canali properly translated means ______....

Question 7

If you think you are alone in the universe you are known as a loner.

Accepted Answer

The statement is true because the definition of a loner is someone who is alone or isolated.

Question 8

SETI stands for 'Search for Extraterrestrials Intelligence.'

Accepted Answer

SETI stands for "Search for Extraterrestrial Intelligence."

Deck 86: The Search for Life Elsewhere