Fast-flying fungal spores
Got Milk? How?
Chicken Eggs as Drug Factories
Poison Dart Frogs
Salamanders and Newts
Fishing for Giant Squid
Cool Penguins
Feeding School for Meerkats
Primate Memory Showdown
Storing Memories before Bedtime
Making Sense of Scents
Chemistry and Materials
These gems make their own way
A Spider's Silky Strength
A Framework for Growing Bone
Electronic Paper Turns a Page
The Earth-bound asteroid scientists saw coming
Toxic Dirt + Avian Flu = Science Fair Success
Dinosaurs and Fossils
Dino Bite Leaves a Tooth
Dinosaurs Grow Up
Dinosaur Dig
E Learning Jamaica
Results of GSAT are in schools this week
2014 GSAT Results for Jamaican Kids
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
What is groundwater
Ice Age Melting and Rising Seas
Challenging the Forces of Nature
The Wolf and the Cow
A Change in Climate
Sounds and Silence
Finding the Past
A Human Migration Fueled by Dung?
Ancient Cave Behavior
Sahara Cemetery
Saltwater Fish
Sting Ray
Food and Nutrition
Chew for Health
A Pepper Part that Burns Fat
Sponges' secret weapon
GSAT English Rules
Who vs. Whom
Who vs. That vs. Which
GSAT Exam Preparation Jamaica
42,000 students will sit for the GSAT Exam in two weeks
Results of GSAT are in schools this week
Ministry of Education Announces 82 GSAT Scholarships for 2010
GSAT Exams Jamaica Scholarships
GSAT Scholarship
Results of GSAT are in schools this week
GSAT stars reap scholarship glory
GSAT Mathematics
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
10 Common Mistakes When Preparing for the GSAT Math Test
A Sweet Advance in Candy Packing
Human Body
From Stem Cell to Any Cell
Cell Phones and Possible Health Hazards
Surviving Olympic Heat
Horseshoe Crabs
The Surprising Meaning and Benefits of Nursery Rhymes
Choosing a Preschool: What to Consider
What Not to Say to Emerging Readers
Speedy stars
Thinner Air, Less Splatter
Dreams of Floating in Space
Surprise Visitor
Flower family knows its roots
Plants Travel Wind Highways
Space and Astronomy
Saturn's Spongy Moon
Mercury's magnetic twisters
Black Holes That Burp
Technology and Engineering
Roll-Up Computer Monitors to Go
A Micro-Dose of Your Own Medicine
A Satellite of Your Own
The Parts of Speech
Problems with Prepositions
What is a Noun
What is a Verb?
Morphing a Wing to Save Fuel
Revving Up Green Machines
Robots on a Rocky Road
Watering the Air
The solar system's biggest junkyard
A Dire Shortage of Water
Add your Article

Dark Galaxy

The Milky Way is packed with stars, comets, asteroids, moons, and planets, including our own. Other galaxies in the universe are similarly crammed full of stars and various objects. Astronomers have now spied something very unusual. They've found a patch of space that looks empty but actually appears to be a galaxy that contains no stars. Theorists had proposed that such "dark" galaxies could exist, but no one had ever seen one before. The mysterious object is in an area of space known as the Virgo cluster of galaxies. This cluster is the closet one to the Milky Way and contains more than 100 galaxies of various types, including spiral and elliptical galaxies. Five years ago, astronomers at Cardiff University in Wales noticed that this vast region has a pair of isolated clouds made up of hydrogen gas. Further observations revealed that one of the clouds is associated with a faintly glowing galaxy. This makes sense because balls of hydrogen gas usually indicate an area where stars are forming. The other hydrogen ball, however, appears to have no glowing galaxy as a partner. Yet, other observations suggest that it's part of a massive object weighing as much as a galaxy of 100 billion suns. The astronomers propose that the object, named VIRGOHI21, is full of a mysterious substance called dark matter. And they say there might be many more galaxies just like it. Astronomers just haven't spotted them yet. For now, there's a lot of explaining to do. "Seeing a dark galaxy—a galaxy without any stars—is like seeing a city without any people," says astronomer Robert Minchin of Cardiff University. "We want to know why nobody lives there."—E. Sohn

Dark Galaxy
Dark Galaxy

Designed and Powered by™