Skip to comments.Astronomy Picture of the Day -- The Hubble Extreme Deep Field
Posted on 10/14/2012 3:04:01 AM PDT by SunkenCiv
Explanation: What did the first galaxies look like? To help answer this question, the Hubble Space Telescope has just finished taking the eXtreme Deep Field (XDF), the deepest image of the universe ever taken in visible light. Pictured above, the XDF shows a sampling of some of the oldest galaxies ever seen, galaxies that formed just after the dark ages, 13 billion years ago, when the universe was only a few percent of its present age. The Hubble Space Telescope's ACS camera and the infrared channel of the WFPC3 camera took the image. Combining efforts spread over 10 years, the XDF is more sensitive, in some colors, than the original Hubble Deep Field (HDF), the Hubble Ultra Deep Field (HUDF) completed in 2004, and the HUDF Infrared completed in 2009. Astronomers the world over will likely study the XDF for years to come to better understand how stars and galaxies formed in the early universe.
(Excerpt) Read more at 188.8.131.52 ...
You’re welcome. I’m not sure how much the light from the more distant galaxies and proto-galaxies were red-shifted to longer wavelengths, but their emissions have been in route for billions of years. In some cases, nearly 13 billion. However, I don’t think much if any, now observable in visible light, started out much shorter than UV. But I could be wrong.
Life was tough but we were happy.
Eric Idle: Who would have thought, thirty years ago, wed all be sitting here drinking Chateau de Chaselet, eh?
All: Aye, aye.
Michael Palin: Them days we were glad to have the price of a cup of tea.
Graham Chapman: Right! A cup of cold tea!
Michael Palin: Right!
Eric Idle: Without milk or sugar!
Terry Jones: Or tea!
Michael Palin: In a cracked cup and all.
Eric Idle: Oh, we never used to have a cup! We used to have to drink out of a rolled-up newspaper!
Graham Chapman: The best we could manage was to suck on a piece of damp cloth.
Terry Jones: But you know, we were happy in those days, although we were poor.
Michael Palin: Because we were poor!
Terry Jones: Right!
Michael Palin: My old dad used to say to me: Money doesnt bring you happiness, son!
Eric Idle: He was right!
Michael Palin: Right!
Eric Idle: I was happier then and I had nothing! We used to live in this tiny old tumbled-down house with great big holes in the roof.
Graham Chapman: House! You were lucky to live in a house! We used to live in one room, all twenty-six of us, no furniture, half the floor was missing, we were all huddled together in one corner for fear of falling.
Terry Jones: You were lucky to have a room! We used to have to live in the corridor!
Michael Palin: Oh, we used to dream of living in a corridor! Would have been a palace to us! We used to live in an old watertank on a rubbish tip. Wed all woke up every morning by having a load of rotten fish dumped all over us! House, huh!
Eric Idle: Well, when I say a house, it was just a hole in the ground, covered by a sheet of tarpaulin, but it was a house to us!
Graham Chapman: We were evicted from our hole in the ground. We had to go and live in a lake!
Terry Jones: You were lucky to have a lake! There were 150 of us living in a shoebox in the middle of the road!
Michael Palin: A cardboard box?
Terry Jones: Aye!
Michael Palin: You were lucky! We lived for three months in a rolled-up newspaper in a septic tank! We used to have to get up every morning, at six oclock and clean the newspaper, go to work down the mill, fourteen hours a day, week in, week out, for six pence a week, and when we got home, our dad would thrash us to sleep with his belt!
Graham Chapman: Luxury! We used to have to get up out of the lake at three oclock in the morning, clean the lake, eat a handful of hot gravel, work twenty hours a day at mill, for two pence a month, come home, and dad would beat us around the head and neck with a broken bottle, if we were lucky!
Terry Jones: Well, of course, we had it tough! We used to have to get up out of the shoebox in the middle of the night, and lick the road clean with our tongues! We had to eat half a handful of freezing cold gravel, work twenty-four hours a day at mill for four pence every six years, and when we got home, our dad would slice us in two with a breadknife!
Eric Idle: Right! I had to get up in the morning, at ten oclock at night, half an hour before I went to bed, eat a lump of cold poison, work twenty-nine hours a day down mill and pay millowner for permission to come to work, and when we got home, our dad would kill us and dance about on our graves, singing Hallelujah!
Michael Palin: Aah. And you trying to tell the young people of today that, and they wont believe you!
All: No, no they wont!
I saw that same thing right after that guy kicked me in the jaw. Then, I guess I must have seen a black hole for a few minutes.
That can lead to cognitive problems, like division by Cassini errors.
Kids today dont understand.
Actually, after thinking about it a little more, if the image we see today is now in the visible range of the EM spectrum (if red-shifted from UV to visible), it will just be the UV information made visible via universal expansion. Normally, UV and the other forms of non-visible EM radiation needs to be converted (color coded) in order to provide an image we can see.
Oops! Post 28 and 29 were meant for a different tread, different poster. I asked the mod to remove them.
I don’t have any cognitive problems. I don’t have any cognitive problems. What?
These are blasts from the past of 6,000 years ago and effects from the Prime Cause.
Oh, those Cassini never make any mistakes. I was at a Cassini in Las Vegas and I told them that I meant for my money to be on 12 instead of 17 and they acted like they had never made a mistake in their life. Then, when I started yelling, they threw me out. Well, they’ll never see me again. And I’m a big spender, too. I’ve bet twenty, thirty bucks somedays. Not all at one time, mind you.
Oleg Cassini ?