G3-SEC-L25-01-25-2023 Outer Space - When Was It Discovered and How

Hey there, Grade 3 cosmic explorers! Today, let's blast off into the vast unknown of outer space and unravel the incredible story of when humans discovered the wonders beyond our planet. Ancient Wonderers: Did you know that ancient civilizations were the first space enthusiasts? They observed the stars, planets, and the moon, creating myths and stories about the celestial objects in the night sky. Telescopic Triumphs: Fast forward to the 17th century when Galileo Galilei pointed his telescope to the heavens. This moment marked a giant leap in space exploration. Galileo discovered that Earth was not the only celestial body with features?other planets had them too! Modern Space Age: The real space exploration era began in the mid-20th century. In 1957, the Soviet Union launched Sputnik 1, the first artificial satellite, into orbit. This event marked the official entry of humanity into outer space. Moon Landing Marvel: Perhaps the most iconic moment in space history occurred on July 20, 1969, when NASA's Apollo 11 mission successfully landed humans on the moon. Neil Armstrong's famous words, "That's one small step for [a] man, one giant leap for mankind," echoed through the cosmos.

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Question 1 / 12

Who observed the stars, planets, and the moon in ancient times?

Question 2 / 12

What marked a giant leap in space exploration in the 17th century?

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When did the real space exploration era begin?

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What was launched into orbit in 1957, marking humanity's entry into outer space?

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Ancient civilizations had no interest in observing the stars and planets.

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Galileo Galilei discovered Earth was the only celestial body with features.

Question 7 / 12

The real space exploration era began in the 19th century.

Question 8 / 12

The Apollo 11 mission successfully landed humans on Mars.

Question 9 / 12

Galileo Galilei pointed his _ to the heavens, discovering that other planets had features too.

Question 10 / 12

In 1957, the Soviet Union launched Sputnik 1, the first _, marking humanity's entry into outer space.

Question 11 / 12

The real space exploration era began in the mid-20th century, with the launch of Sputnik 1 and later culminated in the iconic _ landing in 1969.

Question 12 / 12

Neil Armstrong's famous words, "That's one small step for [a] man, one giant leap for _," were spoken during the Apollo 11 mission.

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