Welcome to the Science Quiz 162

What is the new name of the celestial body Xena-2003 UB 313 given by IAU ? Keep learning with educational toys.

The world revolves around Science; find out what you know. Quizzing is the best way to learn about the world we live in. Try quizzing at least 1 hour every time you meet your friends.Email them a quiz every now and then and when you chat with them next time, ask them a tricky question.