El Universo, su creación, su origen, y el sistema solar Flashcards
(15 cards)
What is the Big Bang theory?
The Big Bang theory is the leading explanation for the origin of the universe, stating that it began as a singularity approximately 13.8 billion years ago and has been expanding ever since.
True or False: The universe is static and unchanging.
False
Fill in the blank: The universe consists of billions of __________.
galaxies
What is a galaxy?
A galaxy is a massive system that consists of stars, stellar remnants, interstellar gas, dust, and dark matter, bound together by gravity.
Which galaxy is the Earth located in?
The Milky Way galaxy
What are the four inner planets of the solar system?
Mercury, Venus, Earth, and Mars
Multiple Choice: Which planet is known as the ‘Red Planet’?
Mars
What defines a planet?
A planet is a celestial body that orbits a star, is spherical in shape, and has cleared its orbital path of other debris.
True or False: Jupiter is the smallest planet in the solar system.
False
What is the primary component of the Sun?
Hydrogen
Fill in the blank: The asteroid belt is located between the orbits of __________ and __________.
Mars and Jupiter
What is a black hole?
A black hole is a region of space where the gravitational pull is so strong that nothing, not even light, can escape from it.
Multiple Choice: Which planet is known for its rings?
Saturn
What is dark matter?
Dark matter is a form of matter that does not emit light or energy and is believed to make up about 27% of the universe.
True or False: The solar system is part of the Milky Way galaxy.
True
