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  • The DES Project
    • Overview
    • Science
    • Instrument
    • Survey
    • Collaboration
    • Data Access
    • For DES Members
  • News and Results
    • Publications
    • The DArchive
    • DES in the News
  • Multimedia
    • DECam Interactive
    • Photo Gallery
    • Video Gallery
  • Education
    • Dark Bites
    • Scientist of the Week
    • Dark Energy Detectives
    • Cosmo FAQ
    • Public Engagement
  • Contact Us
  • 12-0326-29D-CROP-v2
    DES
    Exploring 14 billion years of cosmic history
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  • 12-0329-29D-v2
    DES in the News
    At This Art Exhibit, The Artists Are Also Astrophysicists
    Fast Company Design
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  • 12-0330-15D
    Dark Energy Detectives
    A Cosmic Murder Mystery
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  • 12-0331-16D
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    A Newly Discovered Superluminous Supernova
    - Mathew Smith
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  • 12-0329-11D
    DES Publications
    Galaxy-Galaxy Lensing in the DES Science Verification Data
    - Joseph Clampitt et al., 2016
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    Scientist of the Week
    Ting Li, Texas A&M University
    Read article
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In The Dark  @TheDESurvey
There's something special about watching a beautiful sunset, controlling the instrument for 8 hrs,&waking up to a g… https://t.co/39RlGtQrQ0 
16h reply retweet favorite 16 hours ago
In The Dark  @TheDESurvey
I have learned a lot since becoming involved with DES as an anthropologist,writer & amateur cosmologist & continue… https://t.co/XiDY99KBtX 
May 22 reply retweet favorite 2 days ago
In The Dark  @TheDESurvey
RT @dstndstn:A small portion of 4 years of @theDESurvey supernova field data, cut into monthly chunks https://t.co/NiSpFHNME0 
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In The Dark  @TheDESurvey
I’m working on the reconstruction of a galaxy that got highly distorted while its light was traveling through a galaxy cluster #DEST4TD 
May 10 reply retweet favorite 2 weeks ago
In The Dark  @TheDESurvey
I am looking forward the next Dark Energy Survey meeting. This time in Chicago. Lots to discuss with new data. #DEST4TD @marcm079 
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The Dark Energy Survey

17 hours ago

The Dark Energy Survey

Astronomers might seem crazy because they regularly stay up all night....but there's something really special about getting to watch a beautiful sunset, controlling a multi-million dollar instrument for 8 hours, and then walking out of the dome in the morning to a gorgeous sunrise! #DEST4TD -- Stephanie Hamilton (@StephHamy820, University of Michigan) ... See MoreSee Less

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The Dark Energy Survey

2 days ago

The Dark Energy Survey

I have learned a lot since becoming involved with DES as an anthropologist, writer and amateur cosmologist, and I continue to be inspired by the work the scientists are doing. Here is a poem I wrote during one of the sessions at the collaboration meeting in Cambridge in 2016. #DEST4TD -- Lucy Calder ... See MoreSee Less

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The Dark Energy Survey

2 weeks ago

The Dark Energy Survey

This week for DES, I’m working on the reconstruction of a galaxy that got highly distorted while its light was traveling through a galaxy cluster, as predicted by Einstein’s theory of general relativity. #DEST4TD -- Simon Birrer (ETH Zürich) ... See MoreSee Less

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The Dark Energy Survey

2 weeks ago

The Dark Energy Survey

I am looking forward the next Dark Energy Survey meeting. This time in Chicago. Lots to discuss with new data. #DEST4TD -- Marc Manera (@marcm079) ... See MoreSee Less

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The Dark Energy Survey

2 weeks ago

The Dark Energy Survey

DES can weigh galaxy clusters when the universe was half its age. “All” it needs is 4m of glass and a ton of code #DEST4TD -- Peter Melchior (@peter_melchior, Princeton University) ... See MoreSee Less

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News

Penn physicists study galaxies to solve mysteries of dark matter

April 20, 2017 12:00 am

In the 1970s, scientists noticed something strange about the motion of galaxies. All the matter at the edges of spiral galaxies was rotating just as fast as material in the inner parts of the galaxies. But according to the laws of gravity, objects on the outskirts should be moving slower. The explanation: A form of matter called dark matter that does not directly interact with light. The researchers are working on another paper using a deeper survey of more than 100 million galaxies called the Dark Energy Survey.

UK Stargazing Live @ University of Sussex Attracts Curious Visitors and Great Questions

February 14, 2017 8:01 pm

Earlier this year, the University of Sussex Department of Physics and Astronomy held Stargazing Live, a night of astronomy-themed events for visitors of all ages. Many members of DES-UK took part, engaging with their community and answering questions about astronomy, cosmology, and DES. In all the excitement of the event, we didn't get to answer all of your questions! Below, you'll find some of the best questions with answers from DES scientists all around the globe. Thanks for stargazing with us!

Researchers finally set to test Einstein’s concept of the Cosmological Constant: Groundbreaking gravitational wave experiment could help us understand the expansion of the universe

February 14, 2017 12:00 am

If gravitational waves – space-time ripples traveling through the universe – are found to travel at the speed of light, there would be no need for alternative gravity theories, they say. This means dark energy would also be ruled out as an explanation, thus supporting Einstein's theory. But, if the speed of the gravitational waves is different from that of light, Einstein's theory must be revised, they say. WHAT IS DARK ENERGY Dark energy is a phrase used by physicists to describe a mysterious 'something' that is causing unusual things to happen in the universe. 'The universe is not only expanding, but it is expanding faster and faster as time goes by,' Dr Kathy Romer, scientist at the Dark Energy Survey told MailOnline.

Astronomers spot a possible dwarf planet on the edges of the Solar System

February 3, 2017 12:00 am

stronomers have discovered a trans-Neptunian object (TNO) – most likely a dwarf planet – at the edges of the Solar System, making it the second-most distant TNO currently known. The large international team that discovered it, whose lead author on the research paper is D W Gerdes from the University of Michigan, USA, found DeeDee using data from the Dark Energy Survey (DES), with followup measurements by the Atacama Large Millimetre/Submillimetre Array (ALMA). The Dark Energy Survey is an optical survey of 5000 square degrees of the southern sky and despite being used primarily for cosmological purposes, its broad off-ecliptic coverage means it is very well-suited to spotting objects within the scattered disk and other high-inclination TNO populations from the inner Oort cloud.

Computer Science Technique Helps Astronomers Explore the Universe

January 13, 2017 12:00 am

The newest telescopes, such as the Dark Energy Survey, which uses a 4-meter telescope in northern Chile and covers about one quarter of the southern sky, take millions of images of a variety of celestial objects. These often include visual distortions, cosmic rays and satellite trails that make them difficult to interpret. Deep learning could help process this deluge of data quickly. “Astronomy is the next frontier to take it on,” said Brian Nord, an astrophysicist at Fermilab in Batavia, Illinois. Nord is one of a group of astrophysicists who search for rare gravitational lenses with signs of curved slivers of light or duplicated images that indicate the presence of massive objects skewing light rays. The scientists often have to sift through numerous images by eye, one at a time. But now they have a potentially game-changing technique at their disposal.

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