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WALLABY Builds an Intergalactic Map in the Outback
The Wallaby radio telescope, located in the outback of Western Australia, has recently completed a survey of the southern sky. This survey has resulted in the creation of a detailed map of the intergalactic medium (IGM) that surrounds our Milky Way galaxy. The Wallaby survey is part of the Australian Square Kilometre Array Pathfinder (ASKAP) project, which aims to study the universe using radio waves. In this article, we will explore the significance of this achievement and how it will help us understand the universe better.
What is Wallaby?
Wallaby is a radio telescope that is part of the ASKAP project. It is located at the Murchison Radio-astronomy Observatory (MRO) in Western Australia. The telescope consists of 36 dish antennas, each with a diameter of 12 meters. These antennas work together to create a single large telescope with a collecting area of 4,000 square meters. Wallaby is designed to study neutral hydrogen gas in galaxies and the IGM that surrounds them.
The Importance of Studying the IGM
The IGM is the space between galaxies that contains gas and dust. It plays a crucial role in galaxy formation and evolution. The IGM also contains clues about the early universe and how it evolved over time. Studying the IGM can help us understand how galaxies form and evolve, how they interact with each other, and how they affect their surroundings.
The Wallaby Survey
The Wallaby survey was conducted over six years and covered an area of 30,000 square degrees in the southern sky. It detected neutral hydrogen gas in more than 800 galaxies and created a detailed map of the IGM that surrounds our Milky Way galaxy. The survey also detected several new galaxies that were previously unknown.
What Does the Wallaby Survey Tell Us?
The Wallaby survey has provided us with a detailed map of the IGM that surrounds our Milky Way galaxy. This map will help us understand the distribution and properties of gas in the universe. It will also help us study the interactions between galaxies and their surroundings. The survey has also detected several new galaxies that were previously unknown, which will help us understand how galaxies form and evolve.
The Future of Wallaby
The Wallaby survey is just the beginning of what Wallaby can do. In the future, Wallaby will be used to study neutral hydrogen gas in more galaxies and create even more detailed maps of the IGM. It will also be used to study other aspects of the universe, such as pulsars and fast radio bursts.
Conclusion
The Wallaby survey has provided us with a detailed map of the IGM that surrounds our Milky Way galaxy. This map will help us understand the distribution and properties of gas in the universe and how galaxies form and evolve. The survey has also detected several new galaxies that were previously unknown, which will help us understand the universe better. With its capabilities, Wallaby is set to make even more groundbreaking discoveries in the future.
FAQs
1. What is Wallaby?
Wallaby is a radio telescope that is part of the ASKAP project. It is located at the Murchison Radio-astronomy Observatory (MRO) in Western Australia.
2. What did the Wallaby survey achieve?
The Wallaby survey created a detailed map of the intergalactic medium (IGM) that surrounds our Milky Way galaxy. It detected neutral hydrogen gas in more than 800 galaxies and detected several new galaxies that were previously unknown.
3. Why is studying the IGM important?
Studying the IGM can help us understand how galaxies form and evolve, how they interact with each other, and how they affect their surroundings.
4. What is the future of Wallaby?
In the future, Wallaby will be used to study neutral hydrogen gas in more galaxies and create even more detailed maps of the IGM. It will also be used to study other aspects of the universe, such as pulsars and fast radio bursts.
5. How long did the Wallaby survey take?
The Wallaby survey was conducted over six years.
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