(1) Starflowers, also known as fringe myrtles, are an endemic group of Australian native shrubs belonging to what genus?
Answer: Calytrix.
(2) What is the nearest star to the Sun? (bonus: how far away is it, to the nearest light-year?).
Answer: Proxima Centauri (bonus: 4.24 light-years)
(3) What do starfish have in common with the braking system on a car?
Answer: Both operate using hydraulics.
(4) The Geminid meteor shower is the most reliably spectacular display of shooting stars in the southern hemisphere. In which month can it be observed?
Answer: December.
(5) Fill in the missing word: The star … was first patented in NSW in 1926.
Answer: Picket (Dropper or Post also accepted).