A second planet was discovered by the same team two years later.

Because this planet has recently been discovered, not much is yet known about it.

Another planet was discovered three years ago, but in orbit around a dead star.

I don't think we have the technology to discover planets in other galaxies, yet.

Two additional planets of lower mass were later discovered by the same technique.

This planet was discovered by transit on December 5, 2008.

Currently, three planets have been discovered to orbit around Kepler-68.

The new planet could have been easily discovered much sooner if anyone had looked at that part of the sky.

However, no planet has yet been discovered orbiting this star.

"A planet is discovered when it's appropriate for humanity to understand it," she said.