6 Preguntas sobre El Espacio

The video covers various topics related to space and astronomy. It begins by explaining the atmosphere and the boundary of space known as the Kármán line. It then discusses why planets orbit the Sun, touching on gravity and the formation of the solar system. The video also explains the phenomena of lunar and solar eclipses, the vast number of stars in the universe, and the concept of cold welding in space. Finally, it provides insights into what it takes to become an astronaut.

What is the boundary called where space is said to begin?

• The Exosphere

• The Troposphere

• The Stratosphere

• The Kármán Line

What causes planets to orbit the Sun?

• The rotation of the Earth

• The gravitational pull of the Sun

• The presence of other planets

• The Sun's magnetic field

What is a lunar eclipse?

• When the Moon is between the Sun and the Earth

• When the Earth is between the Sun and the Moon

• When the Earth and Moon are on opposite sides of the Sun

• When the Sun is between the Earth and the Moon

Approximately how many stars are estimated to be in the visible universe?

• 500 billion

• 100 billion

• 70 quintillion

• 1 trillion

What does the term 'astronaut' mean?

• A navigator of the stars

• A traveler of the sea

• A pilot of the skies

• A scientist of the universe