Explorer 1 waits for launch in Cape Canaveral, FL, in 1958

The transcript describes an object that is 80 inches long, 6 inches in diameter, and weighs 30.8 pounds. Despite its weight, it is valued at 100 times more than precious gems. The object contains an instrument package designed to measure cosmic rays, micrometeorite impacts, and temperatures, with data transmitted back via a radio transmitter.

What are the dimensions of the instrument described in the video?

• 70 inches long and 5 inches in diameter

• 60 inches long and 8 inches in diameter

• 80 inches long and 6 inches in diameter

• 90 inches long and 7 inches in diameter

How much does the instrument weigh?

• 30.8 pounds

• 20 pounds

• 50.5 pounds

• 40 pounds

What is one of the primary functions of the instrument package?

• To monitor ocean temperatures

• To capture images of distant galaxies

• To measure the intensity of cosmic rays

• To measure the Earth's magnetic field

Which of the following is NOT a function of the instrument package?

• Tracking animal migrations

• Recording micrometeorite impacts

• Monitoring internal and external temperatures

• Measuring cosmic ray intensity

How is the data collected by the instrument sent back to Earth?

• Via a satellite relay

• Through a powerful radio transmitter

• Using a fiber optic cable

• By a returning spacecraft