ARTICLES RELATING TO ASTRONOMY

Astronomers surprised by giant black hole

2015-02-26 18:30

A black hole 12 billion times as massive as the sun has been found in a glowing quasar that existed when the universe was just a fraction of its current age, scientists have said.

'Stellar nursery' has quadruple pregnancy

2015-02-13 08:07

A team of astronomers have snatched the first glimpse of a quadruple star system in the early stages of formation.

SA experts drive 3D universe map with SKA

2015-01-20 09:47

Astronomers in South Africa are part of a cohort of experts who are trying to build the most ambitious model of the universe using the latest technology.

In a first, astronomers map comets around another star

2014-10-23 09:17

Astronomers using an ultra-sensitive telescope in the Chilean desert say they have mapped hundreds of comets orbiting a star 63 light years from Earth.

Earth in the sun's crosshairs, could knock out high tech

2014-09-12 08:36

The sun has taken aim at Earth and delivered what could be a knock-out blow to modern technology.

Green light for Milky Way telescope after problems

2014-07-30 14:44

A billion-dollar telescope designed to provide the most detailed map yet of the Milky Way is ready to start work after teething problems.

SA needs PhDs urgently, says Pandor

2014-07-22 13:20

South Africa is producing too few doctoral graduates, Science and Technology Minister Naledi Pandor says.

Comet 'sweats' two glasses of water per second

2014-07-02 10:40

Unprecedented measurement of a deep-space comet has found the icy body to be losing about two small glasses of water every second.

Big Bang team: We may be wrong

2014-06-23 07:50

American astrophysicists who announced just months ago what they deemed a breakthrough in confirming how the universe was born now admit they may have got it wrong.

Asteroids take aim at the Earth

2014-05-27 09:41

A number of asteroids are set to pass the Earth, with one coming very close to the planet.

 

Close call star visitor revealed by astronomers

2015-02-18 13:01

By the standards of outer space, it was the closest call yet recorded: A star that zoomed past our solar system 70 000 years ago.

Canada shuttering key big-lens observatory

2015-02-12 13:40

Canada is shuttering a critical teaching observatory in eastern North America where the first dark skies reserve was created.

Maybe two more planets in our Solar System

2015-01-19 19:05

The Solar System has at least two more planets waiting to be discovered beyond the orbit of Pluto some astronomers claim.

Saturn moon may have 'life-friendly' ocean

2014-10-17 12:02

Saturn's battered moon Mimas may have a thin global ocean, raising the prospect of another "life-friendly" habitat in the solar system, scientists have said.

Space craft grabs possible interstellar space dust

2014-08-15 09:31

A Nasa spacecraft dispatched 15 years ago to collect samples from a comet has also snared what scientists suspect are the first dust specks from interstellar space.

Remote outcrops of faraway galaxy lopsided

2014-07-22 20:21

Astronomers have examined the remotest parts yet of an elliptical galaxy, Centaurus A, and discovered it's more lopsided and richer in heavy elements than expected.

Comet-chasing probe closes in on target

2014-07-03 14:44

A comet-chasing spacecraft on a mission to land on a fizzing ball of ice and dust later this year has begun a crucial slow-down manoeuvre to avoid flying past its target.

SA discovers triple black hole system

2014-06-26 07:20

A team of South African astronomers have discovered a triple super-massive black hole system, the Square Kilometre Array SA has said.

I am a planet, insists Pluto

2014-05-28 10:15

Pluto is making its case to be re-admitted to the family of planets that orbit the solar system.

SA observatory finds stars in Milky Way

2014-05-14 16:59

South African astronomers have found the first known stars in the flared disk of the Milky Way galaxy, the SA Astronomical Observatory says.

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