Water Vapor Discovered Near Black Hole 11.1 Billion Light Years Away
Dec 19, 2008 18:07
The discovery of water vapor in a distant quasar system has overturned established ideas about the existence of water in the early universe.This is the farthest, and thus the oldest, water ever seen in the Universe. (Because the light from this quasar took 11.1 billion years to reach Earth, it is 11.1 billion years old.)
Max Planck Institute researcher Violette Impellizzeri discovered the water vapor using spectroscopic analysis - essentially, looking for a radio signal that matches the signature of a water molecule (see image). She found the water in just 14 hours by using a nearby galaxy as a telescopic lens: The galaxy's gravity magnifies the light coming from objects behind it, quadrupling the images of those objects (you can see all four versions of the quasar in the picture) and making their radio signatures easier to analyze. Essentially, she created a gravity lens.
Others have tried and failed to find water, and we knew we were looking for a very faint signal, so we thought of using a foreground galaxy like a cosmic magnifying glass to observe at a far greater distance and had to be persistent, and sure enough the line emission of water popped up.
Added co-researcher John McKean:
It is interesting that we found water in the first gravitationally-magnified object we observed from the distant Universe. This suggests that the water molecule may have been much more abundant in the early Universe than first thought, and can be used for further research into supermassive black holes and galaxy evolution at high redshift.
So water may be more common, and more ancient, than we ever imagined. Although this water vapor was part of a cloud of dust around a supermassive black hole at the heart of a quasar, it could also mean that water exists in far more mundane parts of the Universe too. On water planets like Earth, for example. Still, no signs of E.T. as yet.
Ever since sim unlocking of phones became legal, either through carriers or through a third party source, people have been requesting codes to unlock their phones in droves. With Samsung’s latest S9 feat (read: expensive yet durable), let us tell you how tounlock Samsung Galaxy S9 and gain control over device without any interruptions from the network provider below. Read more
If you are looking forward to rank your website on top, you might have asked SEO experts a common question – how much time does it take to reach the top rank on Google? The answer is complicated and can never be definite. Read more
It is, without doubt, evident that SEO has had a massive impact in the internet world today, so much that emerging website owners are already informed on techniques like keyword SERP tracking to give the ultimate SEO value to their site. Additionally, useful tools have come up, such as the social network checker that allows web owners, bloggers, small business owners as well as large enterprises check whether the content they share on social media have an impact on their overall digital marketing strategy, and it is affecting the overall ranking of their sites. Read more