Related topics: satellite

There could be snow on Mars – here's how that's possible

Given that there are ambitious plans to colonise Mars in the near future, it is surprising how much we still have to learn about what it would be like to actually live on the planet. Take the weather, for instance. We know ...

A proposal for Juno to observe the volcanoes of Io

Jupiter may be the largest planet in the solar system with a diameter 11 times that of Earth, but it pales in comparison to its own magnetosphere. The planet's magnetic domain extends sunward at least 3 million miles (5 million ...

Small troughs growing on Mars may become 'spiders'

Erosion-carved troughs that grow and branch during multiple Martian years may be infant versions of larger features known as Martian "spiders," which are radially patterned channels found only in the south polar region of ...

Jupiter returns as king of the night sky

Since January, there have not been any planets to see in the evening sky. Instead, all five bright planets have been visible in the early hours before sunrise. But now Jupiter, the king of the planets, is making a return ...

How long is a day on Mars?

Mars represents something of a conundrum for scientists. In many respects, it is significantly different from Earth. It's cold, it's dry, there is little atmosphere or precipitation to speak of, and nothing grows there. ...

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