A fast radio - Marvel Education

Loading question...

You are in free guest mode. Timed Practice Revision List Attempt History Progress Tracking Create a free account to unlock these tools

Prev Next

Practice Listening: Highlight Correct Summary ID: #46076 Long A fast radio

Instructions ›

Transcript:

A fast radio burst is very much like what it sounds. It's a burst, it's a very fast burst of radio waves. It comes from outer space, a long way away. And by fast I mean really fast. So it starts and stops in about a thousandth of a second, so you click your fingers and it's finished. Fast radio bursts are a real mystery. We don't really understand exactly where they come from or what actually makes them. And there's a lot of open questions that we really don't have an answer for. There are probably more theories about what makes fast radio bursts than there are actual detections of these things. So since 2007 we've only had 20 but there are probably 30 or 40 different theories on what makes them. The most interesting thing about this burst is the fact that we found it with the Australian Square Kilometre Ray Pathfinder. So it wasn't really obvious that we would be able to do this as well as we ended up being able to do it. So this telescope is really a fantastic telescope, in fact it's probably the best telescope on the planet at the moment for finding these bursts. And so whereas in the past it's taken 10 years to find 20 bursts, once we're really going with this new instrument we'll be able to find them much more quickly, one or two every week. And that will blow open the field so that will make it a much more, you know, we'll be able to do much more detailed studies of these things, get better statistics, understand what they hopefully understand what they are and where they're coming from.

* Click on the correct answer

Fast radio burst comes from outer space, and there are a lot of theories about what makes fast radio bursts. However, the new era is not only for the telescope, but also for the whole field. The whole field of energy, which enables us to measure many bright and faint stars that are much further than we imagine. This is a mystery. Fast radio burst is a real mystery. We don’t really understand exactly where they come from or what actually makes them. But it come from the equator. The Saron of space, the all-seeing eye, we see so much of the sky, in comparison with other telescopes, we really can catch these things really easily.

Result:

A.I. Explanation:

Option 1: "Fast radio burst comes from outer space, and there are a lot of theories about what makes fast radio bursts. However, the new era is not only for the telescope, but also for the whole field."
Explanation: This option accurately captures the main idea of the text, which discusses the nature of fast radio bursts, their mysterious origins, and the advancements in telescope technology that will enhance research in this area. The phrase 'a lot of theories' reflects the text's mention of numerous theories compared to actual detections, while 'new era' aligns with the text's emphasis on the capabilities of the Australian Square Kilometre Array Pathfinder telescope.
Option 2: "The whole field of energy, which enables us to measure many bright and faint stars that are much further than we imagine. This is a mystery."
Explanation: This option is incorrect because it introduces the concept of 'energy' and 'measuring stars,' which are not mentioned in the text. The focus of the text is specifically on fast radio bursts and the theories surrounding them, not on measuring stars or energy. Therefore, it does not align with the main theme.
Option 3: "Fast radio burst is a real mystery. We don’t really understand exactly where they come from or what actually makes them. But it come from the equator."
Explanation: While this option correctly states that fast radio bursts are a mystery and that their origins are not well understood, it incorrectly claims that they come from the equator. The text specifies that they come from outer space, not a specific geographical location. This misrepresentation makes the option incorrect.
Option 4: "The Saron of space, the all-seeing eye, we see so much of the sky, in comparison with other telescopes, we really can catch these things really easily."
Explanation: This option is incorrect as it introduces vague and metaphorical language ('Saron of space', 'all-seeing eye') that does not reflect the content of the text. The text focuses on the specific capabilities of the Australian Square Kilometre Array Pathfinder telescope in relation to fast radio bursts, rather than making broad claims about seeing the sky or catching things easily.

With a free account: Retry and compare every attempt.

Saving...