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Space Science

Written by Librarian

Sunday, 29 April 2007

New Scientist Space - Solar System

New Scientist - The World's No. 1 Science and Technology News Service

New Scientist Online

Mercury: The incredible shrinking planet

Data from the Messenger probe suggests Mercury has a molten core that is cooling and causing the whole planet to contract
Weak solar cycle may keep more space junk in orbit

If the next solar cycle is mild, as some researchers predict, dangerous space debris could stay in orbit longer
Martian soil could grow turnips, Phoenix finds

The first soil sample studied in the lander's wet chemistry lab has a pH level and nutrients similar to garden-variety potting soil
The most extreme life-forms in the universe

These creatures set records for surviving in the most inhospitable places on Earth – their existence bodes well for finding alien life
Phoenix team prepares for in-depth soil studies

Bolstered by images showing water ice in the Martian soil, the Phoenix team is set to receive its first data on the soil's composition
Phoenix lander uncovers ice on Mars

It's official – Phoenix lander has become the first spacecraft to reach out and touch water ice on Mars
How to make a Martian mud pie

For more than 30 years, researchers have been cooking up mock Martian soil – but no single material can simulate all its properties
New type of aurora spotted on Saturn

The planet was already known to sport one type of aurora around its poles, but new observations suggest it also sports a second
Mars lander may have found ice at polygon's edge

A whitish patch on the border of a polygon-shaped section of soil may be ice – Phoenix will watch to see if it vaporises in the sunlight
Pluto-like objects to be called 'plutoids'

In deference to Pluto's fallen glory, dwarf planets beyond Neptune's orbit will be classed as 'plutoids' – but not everyone is happy with the term

New Scientist Space - Comets and Asteroids

They are remnants from the early Solar System. And if one hits Earth, it could spell the end of human civilisation

New Scientist Online

Lack of cracks may explain Peru meteorite mystery

A meteorite that hit the town of Carancas last year may not have fragmented in the atmosphere because it was unusually tough
Tunguska: The day the sky exploded

In 1908, a huge explosion devastated a remote region of Siberia. A century later, its cause remains a mystery. David Cohen investigates (full text available to subscribers)
Ancient impact may have created deep niche for life

Geologists assemble a blow-by-blow account of a violent impact 35 million years ago – surprisingly, it may have opened up a new niche for life
Almighty smash left record crater on Mars

An object over half the size of Mercury apparently crashed into Mars early in its history, creating the solar system's largest crater
Roadside crater should have made more of an impact

Unusual cone-shaped structures that were long ignored next to a road in the US are evidence of a previously unknown asteroid impact
Fastest spinning asteroid spied by amateur stargazer

An amateur astronomer observed the whirling space rock using a telescope controlled over the internet
Sea creatures had a thing for bling

Fossilised sea creatures have been found that coated themselves in tiny diamonds created in the asteroid impact that killed off the dinosaurs
Canada to launch first space mission to hunt asteroids

A suitcase-sized satellite will search for potentially dangerous asteroids - some may be hard to spot from the ground
Did dinosaur-killing asteroid ignite an oily tinderbox?

A fireball of immature oil in rocks at the impact site could explain soot deposits around the world, say researchers (full text available to subscribers)
Solar system 'bounce' may send comets our way

The up-and-down motion of the solar system as it orbits the Milky Way may trigger periodic comet showers that strike the Earth (full text available to subscribers)

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