Serge Bellemare from Montreal asks
Since the Big Bang we see (with Hubert Reeves and other scientists) that matter has a tendency to...
Mischa from Toronto asks
Black Holes, formed after the collapse of massive stars, are infinitely dense objects.Why is it...
Dmitri from Toronto asks
How do we know that universe is 13.5b years old, if time is not constant? The idea is the closer...
Most often, your question can be answered by going to the following areas
If you have a different question, please search our archives
If your question has not already been answered, you may Ask-a-Scientist.
Engineering
Mathematics
Physics
Chemistry
Earth
Biology
Medicine
Other