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Monthly Archives: September 2012

Extreme Deep Field – how to feel insignificant!

26 Wednesday Sep 2012

Posted by Ray Harris in astronomy

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Extreme deep field, galaxies, hubble, space, ULTRA DEEP FIELD, universe

I am fascinated by the images that are put together based on the data received by the HUBBLE telescope.

You start to feel incredibly humble and quite insignificant when you realise the scale of our known universe.

Of course we are discovering more each day. Just look at he most recent composite image of deep space (i.e. extreme deep space).

Hubble Goes to the eXtreme to Assemble Farthest Ever View of the Universe

XDF 25th September 2012

Like photographers assembling a portfolio of best shots, astronomers have assembled a new, improved portrait of mankind’s deepest-ever view of the universe. Called the eXtreme Deep Field, or XDF, the photo was assembled by combining 10 years of NASA Hubble Space Telescope photographs taken of a patch of sky at the center of the original Hubble Ultra Deep Field. The XDF is a small fraction of the angular diameter of the full Moon. The Hubble Ultra Deep Field is an image of a small area of space in the constellation Fornax, created using Hubble Space Telescope data from 2003 and 2004. By collecting faint light over many hours of observation, it revealed thousands of galaxies, both nearby and very distant, making it the deepest image of the universe ever taken at that time. The new full-color XDF image reaches much fainter galaxies and includes very deep exposures in red light from Hubble’s new infrared camera, enabling new studies of the earliest galaxies in the universe. The XDF contains about 5,500 galaxies even within its smaller field of view. The faintest galaxies are one ten-billionth the brightness of what the human eye can see.Hubble has returned to the same target more than 50 times over the past decade, racking up an additional two million seconds of exposure time.

The most distant objects found so far date back to about 500 million years after the universe’s formation some 13.7 billion years ago.The early universe was a violent place, filled with colliding and merging galaxies that radiate in bright blue light, a telltale sign of new star formation.The Hubble portrait also shows brilliantly shining spiral galaxies and older red fuzzy galaxies whose star-formation days are over.”The XDF is the deepest image of the sky ever obtained,” said astronomer Garth Illingworth, from theUniversity of California in Santa Cruz.”It allows us to explore further back in time than ever before.”You might also want to check out the most distant galaxy ever recorded at Hubble

Ultra Deep Field

Just think if the countries which have spent money on exploring space -particularly “manned” space flight used the funds cooperatively on unmanned projects like Hubble- our knowledge would be so vast by now and a little bit more cooperation might benefit us all.

 

Just today…

On Sept. 27 at 1 p.m. EST, we’ll conduct an online webinar via YouTube and Google+ Events. Listen to three key members of the XDF observing team describe how they assembled the landmark observation, and what Hubble’s powerful new view tells us about the evolving universe. Viewers can pose questions in comments on either site for our panelists to discuss.

VISIT: arrowXDF Event on Google+

This feature is available at:
http://hubblesite.org/go/xdf/

Zone Zero – the Galleries

05 Wednesday Sep 2012

Posted by Ray Harris in Black and White, Photography

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Mexico, pedro mayer, Zone Zero

In case you have not explored  Pedro Mayer’s Zone Zero – I’ll highlight some examples of the galleries:

OldDhaka

Munem Wasif

 

Apart from the wide range of images , the galleries themselves are beautifully put together.

 

André Cypriano

Andre Cypriano

Grenville Charles

Grenville Charles

Zhang Huibin

Zhang Huibin

Neyra, Jose Luis

Neyra, Jose Luis

 

 

Francisco Mata Rosas

Farncisco Mata Rosas

 

German Herrera

 

German Herrera

World Population Day 2012

03 Monday Sep 2012

Posted by Ray Harris in Photography

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World Population Day

World Population Day 2012 July 11th

There is a real worry that the rising world population is just not sustainable. The worry does not just cause problems with insufficient water or food supplies but as people live longer and are demanding a bigger slice of the world production cake that insufficient resources will lead to increased conflict.

“On this World Population Day, I call for urgent, concerted action by Member States to bridge the gap between demand and supply for reproductive health care. We must mainstream reproductive health and rights into all development and poverty reduction plans. Investing in universal access to reproductive health is a crucial investment in healthy societies and a more sustainable future.”

Secretary-General Ban Ki-moon
Message for World Population Day

2012 Theme: Universal Access to Reproductive Health Services

As the world population edged to 7 billion people in 2011 (up from 2.5 billion in 1950), it has had profound implications for development. A world of 7 billion is both a challenge and an opportunity with implications on sustainability, urbanization, access to health services and youth empowerment. [need to translate]

In 1989, in its decision 89/46, the Governing Council of the United Nations Development Programme recommended that, in order to focus attention on the urgency and importance of population issues in the context of overall development plans and programmes and the need to find solutions for these issues, 11 July should be observed by the international community as World Population Day.

This year’s World Population Day, 11 July 2012, focuses on the theme of “Universal Access to Reproductive Health Services.” Reproductive health problems remain the leading cause of ill health and death for women of childbearing age worldwide. Some 222 million women who would like to avoid or delay pregnancy lack access to effective family planning. Nearly 800 women die every day in the process of giving life. About 1.8 billion young people are entering their reproductive years, often without the knowledge, skills and services they need to protect themselves. On the World Population Day, many activities and campaigns will call attention to the essential part that reproductive health plays in creating a just and equitable world.

11 July 2012

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