Agriculture
Chicken Eggs as Drug Factories
Middle school science adventures
Cleaning Up Fish Farms
Amphibians
Newts
Tree Frogs
Frogs and Toads
Animals
A Fallout Feast for Crabs
Koalas, Up Close and Personal
A Whale's Amazing Tooth
Behavior
Surprise Visitor
The (kids') eyes have it
Pondering the puzzling platypus
Birds
Vultures
Robins
Ducks
Chemistry and Materials
The Incredible Shrunken Kids
A Diamond Polish for Ancient Tools
Gooey Secrets of Mussel Power
Computers
Supersonic Splash
Look into My Eyes
Toxic Dirt + Avian Flu = Science Fair Success
Dinosaurs and Fossils
A Living Fossil
From Mammoth to Modern Elephant
Battling Mastodons
E Learning Jamaica
2014 GSAT Results for Jamaican Kids
Results of GSAT are in schools this week
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
Earth
Earth from the inside out
Plastic-munching microbes
Coral Islands Survive a Tsunami
Environment
Food Web Woes
Shrinking Fish
Plastic Meals for Seals
Finding the Past
Fakes in the museum
Childhood's Long History
Writing on eggshells
Fish
Nurse Sharks
Megamouth Sharks
Dogfish
Food and Nutrition
Symbols from the Stone Age
The Essence of Celery
Chocolate Rules
GSAT English Rules
Who vs. That vs. Which
Subject and Verb Agreement
Who vs. Whom
GSAT Exam Preparation Jamaica
GSAT stars reap scholarship glory
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
10 Common Mistakes When Preparing for the GSAT Math Test
GSAT Exams Jamaica Scholarships
Results of GSAT are in schools this week
GSAT Scholarship
GSAT stars reap scholarship glory
GSAT Mathematics
Math is a real brain bender
Play for Science
10 Common Mistakes When Preparing for the GSAT Math Test
Human Body
Running with Sneaker Science
Flu Patrol
Germ Zapper
Invertebrates
Worms
Scallops
Mosquitos
Mammals
Chimpanzees
Dolphins
Yaks
Parents
Choosing a Preschool: What to Consider
The Surprising Meaning and Benefits of Nursery Rhymes
Expert report highlights the importance to parents of reading to children!
Physics
Black Hole Journey
Hold on to your stars, ladies and gentlemen
Project Music
Plants
Seeds of the Future
Getting the dirt on carbon
Plants Travel Wind Highways
Reptiles
Cobras
Black Mamba
Snapping Turtles
Space and Astronomy
Galaxies Divide Sharply Along Color Lines
Saturn's Spongy Moon
Big Galaxy Swallows Little Galaxy
Technology and Engineering
A Clean Getaway
Weaving with Light
Crime Lab
The Parts of Speech
Adjectives and Adverbs
Countable and Uncountable Nouns
What is a Verb?
Transportation
Ready, unplug, drive
Robots on a Rocky Road
Reach for the Sky
Weather
In Antarctica watch the heat (and your step)
Catching Some Rays
Where rivers run uphill
Add your Article

The hungry blob at the edge of the universe

Using a telescope atop a Hawaiian mountain, astronomers recently caught sight of an enormous, newfound glowing object in deep, deep space. If you were an astronomer, what would you call such a thing? How about a “blob”? Technically, the object is called a Lyman-alpha blob, and scientists aren’t exactly sure what it is. But they have a guess. Astronomer Masami Ouchi, of the Observatories of the Carnegie Institution for Science in Pasadena, Calif led the team that identified the blob. He and his colleagues think it may be a distant galaxy — a collection of stars, gas and dust — caught in the act of a feeding frenzy. Astronomers have different theories to explain how blobs like Ouchi’s came into being. Some suggest that Lyman-alpha blobs are smaller galaxies merging together into one larger galaxy. Other theories suggest cold gas streaming into the galaxy is essentially “feeding” it. Still other astronomers suspect that the glowing blob is a cloud of gas heated by a nearby supermassive black hole. The galaxy is 12.9 billion light-years from Earth. Light travels at about 186,000 miles per second, so one light-year is the equivalent of about 5.9 trillion miles. The giant blob is very, very far away, about 76.1 billion trillion miles away, in case you’re counting. In fact, it’s so far away that it’s the fourth most distant object ever observed. When we see light from a distant object in the sky — say, a star — we’re not seeing the object as it is. We’re seeing the object as it was when it emitted the light we’re seeing now. For example, light takes about eight minutes to travel from the sun to Earth, so when you see the sun, you actually see it as it was eight minutes ago. In other words, to look into space is to look back in time. Because the newly discovered blob is 12.9 billion light-years away, it is at least 12.9 billion years old. The universe itself is believed to be about 13 or 14 billion years old, so this blob came into being not long after. The blob is about 55,000 light-years across, or about half the diameter of our own galaxy, the Milky Way. To observe the blob, Ouchi and his team used a special telescope that is able to see infrared light coming from space. Infrared light is made of waves with wavelengths that we cannot see with the naked eye. We can feel these waves, though: “Far” infrared radiation feels like heat. According to Ouchi’s infrared measurements, the number of stars in the blob is equivalent to 40 billion suns. And that number is likely to keep growing since the scientists think the blob is a young galaxy in a growth

The hungry blob at the edge of the universe
The hungry blob at the edge of the universe








Designed and Powered by HBJamaica.com™