Dear Amy: Has there been any exploration on the planet Uranus? — Emmalee, West Haven, Conn.
Dear Emmalee: So far, the only visit to Uranus was by Voyager 2 almost 30 years ago. The unmanned spacecraft’s primary mission was a flyby of Jupiter and Saturn. Once the mission was completed, NASA set the course to Uranus. In 1986, Voyager 2 reached its closest approach to Uranus. Among Voyager 2’s discoveries were 10 new moons and two new rings. To learn more, visit NASA’s Missions to Uranus at solarsystem.nasa.gov/missions/
Dear Amy: Why do people sometimes have red eyes in photos? — Jayden, New York, N.Y.
Dear Jayden: You’ve probably noticed that red eyes seem to happen only in photos where a flash was used. This is because the flash from the camera reflects off the retina in the back of your eye. The reflection is red because the retina has lots of tiny blood vessels that keep it nourished. Find out more about red-eye and how to prevent it at electronics.howstuffworks.com/
question51.htm/printable. Also, many photo editing apps such as Picasa, picasa.google.com, can fix red eyes in digital pictures.
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