US President Dwight D. Eisenhower announces the onset of the International Geophysical Year in 1957

Eisenhower announced the start of the International Geophysical Year, marking a new era in science. This 18-month period involves collaboration among scientists from the U.S. and 60 other nations to conduct an intensive study of Earth.

What significant event did Eisenhower announce?

• The discovery of a new planet

• The end of World War II

• The beginning of the International Geophysical Year

• The launch of a new space mission

How long is the International Geophysical Year planned to last?

• 6 months

• 24 months

• 18 months

• 12 months

What is the primary focus of the International Geophysical Year?

• Studying the stars

• Exploring the ocean depths

• Conducting an intensive study of our planet

• Developing new technology

How many nations are involved in the International Geophysical Year?

• 30

• 45

• 75

• 60

Which country's scientists are mentioned as participating in the International Geophysical Year?

• United Kingdom

• Australia

• Canada

• United States