Winter Wonderings – Can It Really Be Too Cold for Snow?
Have you ever heard someone say that it is ‘too cold for snow?’, and wondered if this was true. Our Science Correspondent Samantha looks at the science behind this claim.
What is the Orionid Meteor Shower?
This October Earth will be passing through the tail of Halley’s comet, which will mean a shower of meteors flashing across the night sky. Our science editor Sam Gouldson explains.
What is Halley’s Comet?
A comet is a lump of rocky particles, ice and dust all bound together like a dirty snowball. When the comet nears a star, its surface transforms from a solid to a gas. The star’s light shines through these gases and makes them visible to observers as a fuzzy cloud around the comet’s centre, and a tail streaming out behind.