Patrick Tekeli de San Francisco demande

I was browsing the Cornell University Astronomy web site and I read in an answer to a question...

Brent Harrington de Bolton demande

J'essaie de savoir combien la lumière courbe à la surface de la Terre en raison de la...

Amanda de New Lebanon, Ohio demande

How are tides and eclipses related?

Christian de Peterborough demande

I have a question about black holes. If light/matter are drawn towards a black hole are they not...

Jack Racklyeft de North Sydney demande

Comment la température d'un effet de liquide son indice de réfraction?

Dean Burlock de Melbourne, Australia demande

Do you think scientists will ever create a wormhole? And if they are able to create a wormhole how...

Dmitri de Toronto demande

How do we know that universe is 13.5b years old, if time is not constant? The idea is the closer...

Ankit de Aligarh, India demande

What is the reason for earth acting like a magnet? The interior is spherical so why is the earth...

Peter Schwarz de Toronto demande

I understand that even in a finite volume, there are an infinite number of points. Why does the...

Scott Mayers de Saskatoon demande

Assuming the speed of light, c, what would be the distance of a photon traveling in empty space be...

Edward demande

When two open metal tubes on the roof of the car for the purpose of use as a roof rack, are...

Nicola de Smiljan demande

How would a Foucault Pendulum behave on the Moon?

Josh de Gatineau demande

A friend and I have been having an on going debate that I hope you can settle once and for all....

kyler de the Internet demande

If I were to tie a rope or something like that to the moon and have it dangle far enough toward...

Mike fattori de Toronto demande

When my smartphone is off, its screen is black. In the bright sun the black screen absorbs a lot...

Barry de Vancouver, BC demande

Like everyone else, I’ve been enjoying the images of the planet pluto from New Horizons....

Andre Depre de Tienen, Belgium demande

Can centrifugal force be used to create an inertia drive by tightening/pulling the orbiting...

Kyler Tonkin de Kingston, Ontario demande

I heard of an experiment that it is impossible to suck a liquid up a straw more than 10 meters....

Brian Buydens de Weyburn demande

When did scientists first realize that planets had mass? I was thinking that by the time of the...