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New Zealand's Boxing Day dream has turned into a nightmare with the Black Caps staring down the barrel at one of their biggest ever floggings from Australia. The visitors are facing the prospect of being set a target of more than at the MCG, in their first appearance in the game's grandest stage in 32 years.


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The Kiwis have been a win with the crowds and television audiences, but on the field they have flopped. Now the second-highest ranked Test team in the world, they haven't made that many runs across three innings this summer with their top team score a mere Quicks Neil Wagner and Tim Southee have bowled overs between them in the first seven days of the series.

In comparison, all of New Zealand's batsmen have lasted just overs between them in the middle. They'll have to survive the final two days in Melbourne to have any chance of staying in the series, having been undefeated in series dating back to Their run loss in Perth last week was their second biggest ever to Australia in terms of runs.

There's now every possibility Melbourne could be even worse. They flew straight from a two-Test series against England at home to the bouncy Perth for the series-opener against Australia's pacy quicks. Trent Boult missed the first Test through injury, while debutant Lockie Ferguson's calf meant they were a bowler short at Optus Stadium after one day. Tom Latham and Ross Taylor have shown some fight with the bat, while their pacemen led by Wagner have been earnest with the ball.

Publications overview Annual reports Newsletters Email discussion lists Careers. Careers overview Astrophysics graduate student programs Engineering education program Summer vacation program Work experience for school students Facilities ATNF facilities. Square Kilometre Array overview Technology. What is radio astronomy? What is a pulsar? In a remote paddock 20 km north of Parkes, NSW, is a giant metre dish. The strange metallic structure is a telescope - astronomers use it to study the heavens!

CSIRO locations

Astronomers are curious about things in our galaxy, and beyond our galaxy out in the universe. To astronomers the world is one big workshop, and telescopes are its tools. This dish - together with its electronic systems - is one of those tools, but it is sensitive to radio energy not light. It is used to measure radio properties of specific celestial phenomena, by a succession of visiting astronomers from around the world, in experiments that last typically several days.

Astronomers have known for years that cosmic radio energy is created, as naturally as heat and light, by such things as quasars, galaxies, molecular clouds, supernovae and pulsars. This radio energy shines, weakly, on every square metre of the Earth's surface. The ground underneath the dish does not get its "fair share" of radio energy: it is intercepted by the reflecting metal surface, the shape of which - a parabola - concentrates the radio waves into a receiver at the focus 27 metres above.

CSIRO's radio telescope at Parkes is ten thousand times more sensitive than when first commissioned in , a result of the continuous development of increasingly sensitive and versatile receivers. Famous for its role in relaying Apollo 11 telemetry and television pictures from the Moon on 21st July, - the movie " The Dish " was loosely based on that involvement - it has more recently assisted with Voyager 2 at Uranus January, and Neptune August, , Giotto at Comet Halley March, and Galileo at Jupiter most of The Parkes radio telescope is a gigantic measuring instrument, used to examine a wide range of radio energies from our galaxy and other parts of the universe.

Objects such as pulsars, galaxies and quasars broadcast enormous quantities of radio energy into space. Radio astronomers from all over the world apply to use our radio telescope, hoping to obtain specific answers to specific questions about specific astronomical objects.

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In , altogether astronomers came from 15 Australian institutions, and 21 overseas countries. No, we are separate institutions working independently from day to day, but we're like co-authors of an astronomical story, each using different technology yet similar vocabularies to supply different paragraphs of interest. Light cannot travel through the dust in our galaxy - but radio waves do, so most information about the centre of our galaxy comes from radio astronomy; the vast majority of pulsars are detectable only in radio, but when a pulsar recently penetrated the atmosphere of its companion star many optical, ultra-violet and x-ray observatories observed this event in their own special ways too.

The complex structure of the dish you see is designed to get as many radio waves as possible from a designated part of the sky, shining, for as long as possible, on a sensitive little wire at the focus - the rest are just details of innovative engineering, computing, and world-class astrophysics! No, radio astronomers make a series of electronic measurements about the radio properties of an object of interest to them, and the data are reported as a graph, map, or list of informative numbers on a computer screen. Yes, all the time - but nothing that a competent astronomer wouldn't think was just the temporary effects of random noise or man-made interference.

A microwave oven made a nuisance of itself recently, when visiting astronomers ignored our warning note on its door and used it during their observations. Yes, but science rests on the repeatability of data, so a "mysterious" signal would be noticed again if it were real, and perhaps be suitable for study at a later date depending on the curiosity and priorities of the astronomer. A stray signal from an extra-terrestrial civilisation would have to last long enough to be observed many times before it was believed we haven't even come close yet.

Different substances produce different radio waves which are distorted by the physical conditions they encounter; the astronomers' measurements are highly relevant to the question asked, so they are fairly easily able to interpret their data in the light of their existing knowledge. A radio spectrum from the atomic hydrogen in a spiral galaxy quickly reveals that galaxy's speed and rotation.

Yes, we've often made the headlines, however data belongs to the visiting observers and their results are published the world's astronomical journals. The first precise position of a quasar, 3C; the existence galactic magnetic fields; comprehensive catalogues of the radio sky at different frequencies.

Noise disguises a signal; its the electronic equivalent of little extra puffs of smoke that accidentally get out from under the blanket in a smoke signal. When collecting trillionths of a watt of signal from space, any heat energy in the receiver pre-amplifier circuits will be a significant source of noise unless proper precautions are taken. That's a bit like asking how far away can one hear something? We found the very powerful quasar PKS at a record distance of 20, million light years in , and in we detected the least luminous pulsar known only light years away.

Parkes is an electronic telescope; the advances in electronics and computers of the last few decades make it a better telescope now than it ever was!

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Our new beam receiver, designed for the HI Parkes All Sky Survey, and new multi-receiver focus cabin make us again the best single dish radio telescope in the world. Earlier astronomers had no option but to dissect the big questions into smaller, manageable portions that could be answered with the technology that was available at the time. To study just one galaxy in an experiment would now be rare; now thousands of them would be studied further and fainter than ever before in an attempt, say, to measure expansion of the universe.

About 20 staff keep the place running administratively and technically like a "scientific fast-food joint" for astronomers who "come, get what they want, and go".

CSIRO locations - CSIRO

Three of us live on-site, and will fix the telescope any time of the night if things go wrong. Yes, the dish moves slowly but surely as it follows a specific object, such as a galaxy, to compensate for the Earth's rotation. Other times it moves "in a hurry" towards the next object for study.

Parkes, NSW