10
Dec 10

Akatsuki orbital insertion delayed for six years

Source: JAXA

Artist impression of the Akatsuki orbiting Venus.
Image credits: AFP/Akihiko Ikeshita.

The Japanese Space Agency, JAXA, has launched an investigation into a failed attempt to put a craft into orbit around Venus. Akatsuki, which blasted off in May, was due to study Venus's violent atmosphere and confirm if there are active volcanoes on its surface. However, yesterday the craft failed to reduce its speed sufficiently to fall into the gravitational pull of the planet. Astronomers will now have to wait over six years for the mission to return to Venus before attempting to put it into orbit again.

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10
Dec 10

Cosmic dark ages brought to light

Source: Physicsworld.com

A humble piece of kit located in the Australian outback has revealed how the universe emerged from a period called the cosmic dark ages nearly 13 billion years ago. This was the time when the first stars and galaxies began to assert their influence on cosmic evolution, by bombarding the intergalactic medium with ultraviolet light until it had become a warm, ionized plasma. (read more)

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