The solar system
- The words 'solar system' refer to the Sun and all of the objects that travel around it.
- Our solar system is made up of a star – the Sun – eight planets, 162 moons, dwarf planets and a bunch of comets, asteroids and other space rocks.
- The eight planets that make up our solar system are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune.
- Our solar system is part of a galaxy known as the Milky Way.
- The study of objects in the night sky (stars, galaxies and other things) is called astronomy.
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- Inner & outer solar systems
- The Hubble telescope has been used to study the planets in our solar system. This has led to new information about Pluto.
- All planets have different moons. Mercury and Venus have none, Earth has one and Mars has two.
- The sun is a star not a planet.
- A solar eclipse occurs when the Earth passes through the Moon's shadow.
- Find out about asteroids and comets.
- Astronomy has been practiced since before telescopes.
- is very involved in space exploration.
- Got more questions? Check questions and answers in the astrophysicist library.
According to the New Mexico Museum of Space History, in 1514 Nicolaus Copernicus challenged the long held view that the Earth was the centre of the universe. From his observations done with the naked eye – long before telescopes were invented – Copernicus proposed that the centre of the universe was near the Sun.
Photos and videos
- See the first man on the moon
- The solar system shown to scale
- See NASA's astronomy picture of the day
- Watch the next Mars rover being built.
- NASA for kids
- International Astrology day
- Amazing space homework help
- Life in space
- Exploring the solar system
- Man on the moon - BBC
- International Space Station
- Planets - The New York Times
- Imagine the universe dictionary
- Stories of our solar system
- Canberra Deep Space Communication Network
- Anglo Australian telescope at Coonabarabran NSW
- Astronomy - Sydney Observatory
- Our solar system - Science Teachers Association USA
- Explore the solar system - BBC
- Explore our solar system - BBC Open University
- Exploring the planets - Smithsonian
- Hubble Space Telescope video - National Geographic
- Meet some NASA scientists
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Doing it by the book
As a parent it's only natural to want to help your child, but when it comes to homework and study, the completed work should be theirs.
Here are some important points to remember to ensure your child is following good practice for a lifetime of learning.