Everything You Need to Know about Rosetta and Philae
There has been a lot of excitement about Rosetta and Philae lately, but what are they and why are they so interesting?
What are Rosetta and Philae?
Rosetta is a spacecraft built by the European Space Agency; its primary objective is to help understand the origins and evolution of our solar system. In order to do this it has spent the last decade travelling into deep space so that it can rendezvous with a comet. Philae is the lander that has descended to the surface of the comet in order to take measurements and readings.
The leg bone’s connected to the….
Why didn’t the Skeleton go to the party? Cos he had nobody to dance with….
Get it?
Yes, ok… so not the most original joke, but the skeleton is truly an amazing structure. Much like the rest of the body.
So apart from making a great Halloween costume, what is a skeleton for? What do the various bits a pieces do?
How Much Sleep Do Kids Need?
Julianne Robertson investigates the world of snoozes, forty winks, cat naps and snoring. What is SLEEP, why do we need it, and how much sleep do kids need?
A couple of nights ago I was feeling really, really tired, so I went to bed early. I slept soundly, without even dreaming, until about 5am, when I woke up. It felt like I’d only been sleeping for about 5 minutes! After that, I fell back to sleep but had lots of vivid dreams and when I woke up a couple of hours later, it felt like I’d been asleep for a long time. After all that I still felt well-rested and was ready for the day.
All this made me wonder – what IS sleep? Why is it that some nights we feel like we’ve had a really good nights’ sleep, while other nights we still feel tired when we wake up in the morning? Here’s what I’ve discovered about sleep…
Great Women You Should Know… Hedy Lamar
