Miroteka

• Why does the Sun shine?
• Why do we have leap years?
• How did we find a planet before we saw it?
• Why is January the coldest month when the shortest day is in December?
• Why can you hear the sea in a seashell?
• Why is minus times minus plus?
• Why does a drink go up a straw?
• Where can you park in space?
• How many people does it take for two to share a birthday?
• Does water swirl the other way in the Southern Hemisphere?
• Why can’t we divide by zero?
• How did we measure the speed of light?
• How do we see colours?
• Why is the sky blue?
• Why do astronauts float?
• Why will the Sun swell into a red giant?
• Why is the Moon drifting away from the Earth?
• What is a parsec?
• Why is the night dark?
• Why is it warm in summer and cold in winter?
• How long is a day, really?
• Why do we always see the same side of the Moon?
• Why does the Moon have phases?
• When is solar noon?
• Why do we measure ship speed in knots?
• Why do we still see the Sun after it has set?