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Artikel-artikel mengenai Astronomy

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Guillaume Le Gentil sailed the seas for many years to catch a glimpse of Venus in transit. Brocken Inaglory

Transit of Venus: a tale of two expeditions

On Wednesday, as you’ll no doubt know by now, a rare celestial event will occur. Venus will pass between the earth and the sun - the transit of Venus. You might also already know that this cosmic spectacle…
Don’t look at the transit of Venus directly … but make sure you look at it. Jan Herold

Transit of Venus: a must-see for everyone … no seriously

When Australia II won the America’s Cup yacht race in 1983, then-prime-minister Bob Hawke famously exclaimed: “Any boss who sacks anyone for not turning up today is a bum.” Taking inspiration from this…
Everyone’s getting a slice of the SKA, whichever way you cut it. swishphotos

Science vs politics in the SKA decision: the winner was …

Late last week, the Square Kilometre Array (SKA) board chairman, John Womersley, announced that the future telescope will have more than one home: Australia/New Zealand and South Africa. The announcement…
Trojans such as (1173) Anchises appear to have been caught in Jupiter’s orbit, mid-flight. Dave Hosford

By Jupiter: the gas giant’s Trojans were captured, not pre-formed

You’ll remember that, about a year ago, Canadian astronomers announced the discovery of a small asteroid sharing the earth’s orbit. The asteroid in question, 2010 TK7, is a “planetary Trojan” – an object…

How to power a moon base

The sun’s energy can be stored in large blocks of lunar soil (called regolith), potentially powering technology on a future…
An artist’s conception of the Square Kilometre Array … which could live in South Africa or Australia/New Zealand. SKA

The SKA decision has been delayed … so what are the judges looking for?

The battle for the Square Kilometre Array (SKA) radio telescope is heating up. The SKA board was scheduled to choose a site – South Africa or Australia and New Zealand – earlier this year but a decision…

Vesta asteroid shown in new light

Images from NASA’s Dawn spacecraft have revealed unusual geological features on the surface of the asteroid Vesta, one of…
The outer edge of the galactic disc is rotating at a speed in excess of 100,000 km/h. Suprime-Cam, Subaru Telescope

Astronomers discover a strange diamond-shaped galaxy

A team of Australian and European astronomers has discovered a highly unusual galaxy in the shape of an emerald-cut diamond roughly 70 million light years away. The astronomers - from Australia, Germany…

Repellant dark matter confounds astronomers

In a result which has baffled astronomers at NASA’s Chandra X-ray Observatory, dark matter has been observed separating from…
The James Webb Space Telescope will search for stars in the dawning universe. BOBXNC

Hubble, Webb and the search for First Light galaxies

When the Obama administration announced its proposed NASA budget in February, astronomers worldwide breathed a sigh of relief. Despite significant cuts in other areas, funding for the James Webb Space…
A giant flare blasts solar wind and plasma towards Earth. NASA

Huge space storm could disrupt power grids, GPS, flights

The biggest space storm in five years is hurtling towards Earth at more than 2000 km per second. Two bursts of solar wind and plasma - known as coronal mass ejections (CME) - are expected to hit Earth…

Dark matter core challenges theories

The collision of several, massive galaxy clusters has left behind a clump of dark matter, potentially challenging existing…

Milky Way may be brimming with nomads

Our galaxy may be teeming with so-called ‘nomad planets’, which travel through space rather than orbiting stars, according…
GRBs have puzzled astronomers for decades, and there is still plenty to learn. EOS/A Roquette

Flash, aah-aah! Could a gamma ray burst eradicate all life on Earth?

Ever since they were discovered accidentally in the 1960s, gamma ray bursts (GRBs) have continued to amaze and puzzle astronomers worldwide. In nearly 50 years of research there seem to have been more…

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