Sebuah bola api di langit Atacama Large Millimeter / submillimeter Array, ALMA, di Chile. ESO/C. Malin, CC BY-SA

Mengapa meteor menerangi langit malam

Meteor telah dapat dilihat sejak dahulu kala. Meteor terdiri dari potongan puing-puing, biasanya tidak lebih besar dari butiran debu atau pasir, yang terus-menerus menabrak atmosfer bumi. Ketika puing-puing…
An artist’s impression: MESSENGER flying over a colourful Mercury. NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington

Mercury’s MESSENGER mission comes to a crashing climax

It was the first probe to find water on Mercury, the planet closest to the sun. Its mission nearly over, MESSENGER is about to crash into the planet it’s been observing.
For a planet to be suitable for life, it needs to orbit the right kind of star. But what is the right kind of star for life? M. Kornmesser/ESO

Finding a star to call home

We live on a rocky little planet perfectly situated around a middle-aged G2 spectral type yellow star. In many ways, a very boring and ordinary star, but with an extraordinary difference: it has at least…
A bright fireball over the Atacama Large Millimeter/submillimeter Array, ALMA, in Chile, marks the fiery death of a small grain of space debris, high in the atmosphere. ESO/C. Malin

Explainer: why meteors light up the night sky

Meteors have been seen since people first looked at the night sky. They are comprised of small pieces of debris, typically no larger than a grain of dust or sand, which continually crash into the Earth’s…
Artist’s concept of the New Horizons spacecraft encountering Pluto and its largest moon, Charon (foreground) in July 2015. Johns Hopkins University Applied Physics Laboratory/Southwest Research Institute (JHUAPL/SwRI)

From Mercury to Pluto: the year ahead in planetary exploration

2015 is already shaping up to be a big year in astronomy and planetary exploration, with the best yet to come. Here are some highlights to keep your eye on throughout the year. Opportunity January 25 marked…
A group of excited observers during a peak of the Geminids meteor shower. Flickr/Tasayu Tasnaphun

Nature’s fireworks: the best meteor showers coming in 2015

Watching meteors in the night sky can be fun, although typically you only see a few flashes an hour. But there are certain times of the year when you can see many more – events known as meteor showers…
Get your telescopes ready for a rare close encounter with an asteroid this Australia Day. Flickr/Ryan Wick

Giant asteroid makes its closest pass of Earth on Australia Day

Clear skies this Australia Day could give observers a rare look at a giant asteroid flying past Earth at 56,000kmh. The asteroid, known as 2004 BL86, will not return to Earth for around another 200 years…
Image captured December 2013 of several Geminids meteors seen from the Observatorio del Teide (IAC) in Tenerife. Flickr/StarryEarth

The Geminids meteor shower should be one of the best this year

The best meteor shower of the year should put on an impressive display this weekend – weather permitting – with the annual Geminids poised to light up the sky with bright, long meteors visible as frequently…

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