Largest Telescope Will Be Built at Two Sites
In an anticipated great compromise, South Africa and Australia will share canada goose outlet black friday their sites for the Square Kilometre Array telescope, the world’s largest and most sensitive radio telescope. Both canada goose sites were competing to win the $2 billion contract for the SKA, which is hoped shed canada goose outlet toronto factory light on how the Universe began, why it is expanding and whether there is any other life beyond our planet.
“We have decided on a dual site approach,” said SKA board chairman John Womersley, following a meeting of the SKA organisation’s members. “This position was reached after very careful consideration of information gathered from extensive investigations at both candidate sites.”
An canada goose outlet nyc SKA press release said canada goose factory outlet the majority of the members were in favor of a dual site implementation model for SKA. The members noted the report from the SKA Site Advisory Committee that both sites were well suited to hosting the SKA and that the report provided justification for the relative advantages and disadvantages of both locations, but that they identified Southern Africa as the preferred site. The members also received advice from the working group set up to look at dual site options.
Therefore, the majority of SKA dishes in Phase canada goose uk shop 1 will be built in South Africa, combined with MeerKAT, a seven canada goose outlet canada dish prototype interferometer canada goose black friday sale array built by South Africa, where 190 dishes will be added. 60 dishes will be added to the Australian Square Kilometre official canada goose outlet Array Pathfinder (ASKAP) array in Australia, as cheap canada goose uk well as a large number of omni directional dipole antennas. This will give the Australian site a wide field survey capability, whereas South Africa will be able to look deeply into a https://www.rkliedtke.de narrow part of the sky.
Three antenna types, high frequency dishes and mid and low frequency aperture arrays, will be used by the SKA to provide continuous frequency coverage from 70 MHz to 10 GHz. Combining the signals from all the antennas will create a telescope with a collecting area equivalent to a dish with an area of about one square kilometer.
All the dishes and the mid frequency canada goose outlet uk sale aperture arrays for Phase II of the SKA will be built in Southern Africa while the low frequency aperture array antennas for Phase I and II will be built in Australia.
“It’s a distinct possibility that we’ll discover a new canada goose outlet new york city type of astronomical object,” CSIRO SKA Director Brian Boyle told Universe Today in interview earlier this year. “History has shown that every time we’ve gone to a new astronomical wavelength domain, we pick up new objects.” An cheap canada goose example of that is the canada goose coats on sale discovery of pulsars in radio
At the lowest frequencies, the SKA will be looking for red shifted hydrogen, looking at the very earliest events of our Universe. At highest frequencies will canadian goose jacket look for things like pulsars or even pre biotic molecules in space. The array will also be very effective in looking for transient events like supernovae or gamma ray bursts.
“The placement of the array will give it a phenomenally wide field of view, between 30 and 100 square degrees,” buy canada goose jacket cheap Boyle said. “It is hoped to provide the first all sky survey at phenomenal depths at these wavelengths, which can then be compared with other all sky surveys done at optical wavelengths.”
One downside of splitting the frequencies between the two sites is that some of the science may suffer. One of the original science requirements of the SKA was to look at the same piece of the sky at the same time in different frequencies. Boyle said there is goose outlet canada not much common sky between the two locations.
Another is cost for having redundant computing and networking capabilities, not cheap for the remote areas where both sites are located.
But the dual site approach solves political issues, and the SKA press release says the arrangement “will deliver more science and will maximize on investments already made by both Australia and South Africa.”
Womersley said that in this approach “Science is the winner,” and by building on existing pilot projects in both countries, the SKA will be made even more powerful.
Additionally, technology is sure to get a boost, as the SKA project will drive technology development in antennas, data transport, software and computing, and power.
Additionally, the SKA members say the influence of the SKA project extends Canada Goose Online beyond radio astronomy.
“The design, construction cheap canada goose and operation of the SKA have the potential to impact skills development, employment and economic canada goose uk black friday growth in science, engineering and associated industries, not only in the host countries but in all partner countries,” said their press release.
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Andy, our trans Tasman cousins aren forgotten. What was described as the Australian bid is a joint ANZ proposal, and part of the scope will be built in NZ. Under this new arrangement, I don know how many antennae will actually be built in each place.
The great advantage of the ANZ bid was the ability to achieve a very long baseline across two politically very stable countries. There must have been some concern that achieving the required baselines in Africa involved having antennae in 9 different countries.
I hope we be able to obtain answers to the following questions, using the new Telescope:
When spiral galaxies collide, what happens to all of its planets and moons?
Are elliptical galaxies devoid of planets and moons as well as star formation?
What canada goose outlet in usa the difference between galactic cannibalism and galactic mergers? Specifically, what happens to the moons and planets of each galaxy in each scenario after the event takes place?
If the Andromeda Galaxy does collide with our Milky Way, will our Solar System be ejected, and if so, will it hang in limbo for 100 million years while the 2 SMBHs fight it out?
While our Solar System is in limbo, can another rogue galaxy come along, swoop us up and carry us away?
We should focus some attention on the in our galactic neighborhood, to see if our Milky Way Galaxy will one day occupy these empty slots which are created when clusters of galaxies pull other galaxies toward them, creating a where it used to be.
There are four states of matter, the three you are familiar with (gas, liquid, and solid) and then another, which you see all the time and don recognize as what it is: plasma. A plasma is a gas with electrons stipped off the nuclei, usually because of intense heat. Our sun is a plasma. Stars are plasmas. We have plasma filaments strung through space. We have a plasma envelope around the earth (the ionosphere) and the auroras are plasmas.