Latest Herschel Observed Asteroid Apophis Stories
ESA’s Herschel space observatory made new observations of asteroid Apophis as it approached Earth this weekend. The data shows the asteroid to be bigger than first estimated, and less reflective.
Word of the Day
- A poem in which the author retracts something said in an earlier poem.
The word 'palinode' comes from Greek roots meaning 'again' and 'song'.