Have your kids ever asked you,
What does the mars look like ? or how the meteor looks like when it strikes other planets ?
What is the biggest star on the galaxy ?
You may dig up some literatures about space and astronomy and end up confusing yourself and your kids
There are some fun ways to introduce astronomy and space. You may have a look at this write up, written by Singapore Mom Blogger, bumble bee Mum
She has some good tips as well for kids to learn space and astronomy
Please check out her blog on this link below