COMPETITIONS Comp

Check out these planetary gemstone necklaces from Science and Nature (www.scienceandnature.com)! Each necklace has stones resembling the colour and proportions of the planets in our Solar System.

Display box of gemstone necklaces Science and nature logo.

If you would like a chance to win one of 12 planetary gemstone necklaces, sort out these facts. Order them from the shortest to longest time taken, and add another fun fact about our Solar System. The most interesting facts will win!

•    How long does it take for the Moon to orbit Earth?
•    How long does it take for light shone from a laser to go from Earth to the Moon and back?
•    How long does it take for a rover to get to Mars?
•    How long does it take for Earth to orbit the Sun?
•    How long does it take for our Sun’s rays to reach Earth?

How to enter

To be in the running to win one of these fantastic prizes, photograph your entry and email it to helixassist@csiro.au by 31 May 2021. Include your name, age, address and Double Helix subscriber number*. Get a parent’s permission, and ask them to sign each entry. The best entries in each competition will win.

*Don't know your subscriber number? Check the address label that came with your magazine or subscribe now.

Terms and conditions of entry

1. To be valid, all entries must include name, address, age of entrant and Double Helix subscriber number. 2. All entries become the property of CSIRO and will not be returned. 3. Entering the competition assigns copyright to CSIRO. 4. Entries will be judged on creative merit, not by chance. 5. Age will be taken into consideration when judging. 6. All decisions on competitions are final and will not be discussed further. 7. Winners will be notified by mail and the names of competition winners only will be published three issues later. 8. CSIRO shall not be liable for any damage or loss suffered in connection with any of the prizes. 9. Any change in value of the prize between the publishing date and the delivery date is not the responsibility of CSIRO. 10. In the case that prizes become unavailable after the publishing date, CSIRO will send an alternative prize. 11. The closing date for this issue's entries is 31 May 2021. 12. Competition entries must be the entrant's own work. 13. It is the responsibility of the entrant to ensure copyright of their entry is not assigned elsewhere. 14. Winners should allow six weeks for prize delivery.

Privacy

Your privacy is important to us. CSIRO collects personal information via Double Helix competitions and other activities. CSIRO requires parental permission before accepting any personal information from children. This information will be used by CSIRO for administering these activities in accordance with their terms set out in Double Helix magazine. Personal information may be shared by CSIRO with third parties, such as designers, printers, distributors and prize suppliers, for the purpose of assisting CSIRO in providing these activities. For further details of how CSIRO will use and manage this personal information, see CSIRO's privacy policy and specific privacy collection notices in Double Helix magazine, if applicable.