distant stars

It’s all in the rotation: exploring planets orbiting distant stars

It’s all in the rotation: exploring planets orbiting distant stars

For planets discovered using the radial velocity technique we can learn a little more about the planet’s orbit by studying the way that the host star wobbles. The more circular the planet’s orbit, the more regular will be the wobble. But our observations have revealed that some planets move on orbits that are far from circular. And, as we’ve discussed before, such planets are an important piece of our best explanation of the origin of some of the strangest planets found to date.

It’s all in the atmosphere: exploring planets orbiting distant star

It’s all in the atmosphere: exploring planets orbiting distant star

When the Moon passes through the Earth’s shadow during a total lunar eclipse, it isn’t plunged into darkness, but instead takes on a ruddy hue. This is caused by the sunlight passing through our planet’s atmosphere, and being refracted into Earth’s shadow.