The Solar System

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Questions and Answers

What are all the objects we see in the sky called?

  • Stars
  • Heavenly bodies (correct)
  • Comets
  • Planets

What is the study of heavenly bodies and space called?

  • Geology
  • Biology
  • Astronomy (correct)
  • Geography

What is the name of the family that includes the sun, planets, and their moons?

  • Constellation
  • Universe
  • Solar system (correct)
  • Galaxy

Which of these is at the center of the solar system?

<p>Sun (A)</p> Signup and view all the answers

What do planets travel around the Sun on?

<p>Orbits (B)</p> Signup and view all the answers

How many planets are in our solar system?

<p>Eight (D)</p> Signup and view all the answers

Which planet is closest to the Sun?

<p>Mercury (A)</p> Signup and view all the answers

What is the name of the planet we live on?

<p>Earth (B)</p> Signup and view all the answers

What is the name given to heavenly bodies which move around planets?

<p>Satellites (B)</p> Signup and view all the answers

What is closest heavenly body to earth?

<p>Moon (C)</p> Signup and view all the answers

The Sun is at the center of the solar system.

<p>True (A)</p> Signup and view all the answers

Planets move around the Sun in fixed paths called squares.

<p>False (B)</p> Signup and view all the answers

Mercury is the planet farthest from the Sun.

<p>False (B)</p> Signup and view all the answers

All planets have at least one satellite.

<p>False (B)</p> Signup and view all the answers

The Moon has its own source of light.

<p>False (B)</p> Signup and view all the answers

Neil Armstrong was the first person to land on Mars.

<p>False (B)</p> Signup and view all the answers

Stars are made up of hot gases.

<p>True (A)</p> Signup and view all the answers

Sirius is the dimmest star that we see at night.

<p>False (B)</p> Signup and view all the answers

Groups of stars that form patterns are called constellations.

<p>True (A)</p> Signup and view all the answers

Astronomy is the study of the Earth's continents.

<p>False (B)</p> Signup and view all the answers

The study of heavenly bodies and space is called ______.

<p>astronomy</p> Signup and view all the answers

The family of the Sun, including planets and satellites, is called the ______ system.

<p>solar</p> Signup and view all the answers

The ______ is at the center of the solar system and provides heat and light.

<p>sun</p> Signup and view all the answers

Heavenly bodies that move around the Sun on fixed paths are called ______.

<p>planets</p> Signup and view all the answers

The fixed paths that Planets move around the sun on are called ______.

<p>orbits</p> Signup and view all the answers

The planet closest to the Sun is ______.

<p>mercury</p> Signup and view all the answers

The heavenly bodies which move around the planets are called ______.

<p>satellites</p> Signup and view all the answers

The Earth's natural satellite is the ______.

<p>moon</p> Signup and view all the answers

Groups of stars that form recognizable patterns are called ______.

<p>constellations</p> Signup and view all the answers

What is the name given to all objects visible in the sky?

<p>heavenly bodies</p> Signup and view all the answers

What is the study of heavenly bodies called?

<p>astronomy</p> Signup and view all the answers

What is the name of the family of the Sun?

<p>solar system</p> Signup and view all the answers

What provides heat and light to our solar system?

<p>Sun</p> Signup and view all the answers

What name is given to the paths planets take around the Sun?

<p>orbits</p> Signup and view all the answers

Which planet do we live on?

<p>Earth</p> Signup and view all the answers

What is the Earth's natural satellite called?

<p>Moon</p> Signup and view all the answers

What reflects the light of the Sun?

<p>Moon</p> Signup and view all the answers

Name the first person to walk on the moon.

<p>Neil Armstrong</p> Signup and view all the answers

What are groups of stars that form patterns called?

<p>constellations</p> Signup and view all the answers

Flashcards

Heavenly Bodies

Objects visible in the sky, including the Sun, Moon, stars, and planets.

Astronomy

The study of heavenly bodies and space.

Solar System

The Sun and the celestial bodies that orbit around it.

The Sun

A huge ball of hot gases that provides heat and light to the solar system.

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Planets

Heavenly bodies that move around the Sun in fixed paths.

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Orbits

The fixed paths planets take around the Sun.

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Satellites

Heavenly bodies that move around planets.

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The Moon

Earth's natural satellite; reflects sunlight.

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Stars

Huge heavenly bodies made of hot gases that produce their own light.

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Constellations

Groups of stars that form recognizable patterns or figures.

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Space

Limitless area where heavenly bodies are found.

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Astronomers

People who study astronomy.

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Eight

The number of planets in our solar system.

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Mercury

The planet closest to the Sun.

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Neptune

The planet farthest from the Sun.

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Earth

The planet we live on.

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How the moon shines

Reflecting sunlight.

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Neil Armstrong and Buzz Aldrin

The first people to land on the Moon in 1969.

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Sirius

The brightest star that we see in the night sky.

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The Sun's Importance

The star closest to Earth, providing light and warmth.

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What is a moon?

A natural satellite that orbits a planet; Earth has one.

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Planets in Order

Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune.

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Planets without moons

The planets that do not have moons are Mercury and Venus

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Stars vs. Planets

Unlike planets, they emit their own light and twinkle.

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What are constellations ?

Animals, people or things like the Big Dipper, are a groups of stars forming a pattern.

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What is astrophysics

The study of objects and phenomena in the universe

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Who is Brian Cox ?

A British science educator, astrophysicist, and science communicator

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What is an astronomical unit?

The distance from the Earth to the Sun

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What are Nebulae?

A large cloud of dust and gas in space, where stars are born.

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What is the sun?

The star at the center of our solar system.

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What are orbits?

Planets follow these paths around the Sun.

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What is the Moon?

The closest heavenly body to Earth.

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What is Sirius?

The brightest star visible in the night sky

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What are stars?

Balls of hot gas that produce light and twinkle at night.

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What is astronomy?

The study of stars, planets, and all space.

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Who are astronomers?

People who study space and heavenly bodies.

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What is the solar system?

The family of space objects that are held by the sun's gravity.

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What are satellites?

Small objects orbiting planets.

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Study Notes

Heavenly Bodies

  • Heavenly bodies include the Sun, Moon, stars, and planets.
  • These heavenly bodies occupy a limitless area called space.

Astronomy

  • Astronomy is the study of heavenly bodies and space.
  • People who study astronomy are called astronomers.

Solar System

  • The Solar System includes the Sun, eight planets, satellites, asteroids, comets, and meteors.
  • The Sun is at the center of the solar system and is its largest part,composed of very hot gases and providing heat and light.
  • It is the star nearest to Earth.

Planets

  • Planets move around the Sun on fixed paths called orbits.
  • All planets are round.
  • In order of their distance from the Sun, the eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
  • Mercury is closest to the Sun, while Neptune is the farthest.
  • Earth is the planet humans live on.

Satellites

  • Satellites are heavenly bodies that move around planets.
  • All planets except Mercury and Venus have satellites.
  • The Moon is Earth's satellite.
  • The Moon shines by reflecting the Sun's light.
  • There is no air or water on the Moon, making it uninhabitable.
  • In 1969, Neil Armstrong and Edwin "Buzz" Aldrin were the first people to land on the Moon.
  • The Moon is the closest heavenly body to Earth.

Stars

  • Stars are huge heavenly bodies made of very hot gases, possessing their own heat and light.
  • Sirius is the brightest star visible in the night sky.
  • Stars often appear in groups, forming patterns or figures known as constellations.

Constellations

  • Constellations are groups of stars that form recognizable patterns or figures.
  • Constellations include Ursa Major (the Great Bear), Scorpius (the Scorpion), and Orion (the Hunter).

Galaxies and the Universe

  • A galaxy is a collection of billions of stars and their solar systems.
  • The Sun and visible stars belong to the Milky Way galaxy.
  • Our solar system is part of the Milky Way galaxy.
  • The universe comprises countless galaxies and is very vast.

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