Agriculture
Watching out for vultures
Flush-Free Fertilizer
Where Have All the Bees Gone?
Amphibians
Bullfrogs
Poison Dart Frogs
Tree Frogs
Animals
New Monkey Business
Tool Use Comes Naturally to Crows
Elephant Mimics
Behavior
How Much Babies Know
Mosquito duets
Girls are cool for school
Birds
Parrots
Quails
Macaws
Chemistry and Materials
Bang, Sparkle, Burst, and Boom
Sticky Silky Feet
The solar system's biggest junkyard
Computers
A Classroom of the Mind
Seen on the Science Fair Scene
Middle school science adventures
Dinosaurs and Fossils
A Really Big (but Extinct) Rodent
Dinosaur Eggs-citement
Watery Fate for Nature's Gliders
E Learning Jamaica
2014 GSAT Results for Jamaican Kids
E Learning in Jamaica WIN PRIZES and try our Fun Animated Games
Results of GSAT are in schools this week
Earth
Polar Ice Feels the Heat
Life under Ice
Slower Growth, Greater Warmth
Environment
A Stormy History
Whale Watch
Improving the Camel
Finding the Past
A Big Discovery about Little People
Watching deep-space fireworks
Preserving Ancient Warrior Paint
Fish
A Jellyfish's Blurry View
Skates
White Tip Sharks
Food and Nutrition
Building a Food Pyramid
Eat Out, Eat Smart
In Search of the Perfect French Fry
GSAT English Rules
Capitalization Rules
Finding Subjects and Verbs
Whoever vs. Whomever
GSAT Exam Preparation Jamaica
10 Common Mistakes When Preparing for the GSAT Math Test
Mastering The GSAT Exam
Ministry of Education Announces 82 GSAT Scholarships for 2010
GSAT Exams Jamaica Scholarships
GSAT stars reap scholarship glory
42,000 students will sit for the GSAT Exam in two weeks
GSAT Scholarship
GSAT Mathematics
It's a Math World for Animals
42,000 students will sit for the GSAT Exam in two weeks
Losing with Heads or Tails
Human Body
Workouts: Does Stretching Help?
A Sour Taste in Your Mouth
Heavy Sleep
Invertebrates
Bedbugs
Bees
Daddy Long Legs
Mammals
Baboons
Chimpanzees
Glider
Parents
Raise a Lifelong Reader by Reading Aloud
Children and Media
How children learn
Physics
Speedy stars
Powering Ball Lightning
Invisibility Ring
Plants
Assembling the Tree of Life
Seeds of the Future
Getting the dirt on carbon
Reptiles
Chameleons
Caimans
Boa Constrictors
Space and Astronomy
Return to Space
Pluto, plutoid: What's in a name?
Holes in Martian moon mystery
Technology and Engineering
Drawing Energy out of Wastewater
Roll-Up Computer Monitors to Go
Riding Sunlight
The Parts of Speech
What is a Verb?
Pronouns
Problems with Prepositions
Transportation
Reach for the Sky
Flying the Hyper Skies
Middle school science adventures
Weather
A Change in Climate
In Antarctica watch the heat (and your step)
Warmest Year on Record
Add your Article

Troubles with Hubble

If your family car breaks down on the road, a roadside assistance crew will be sent immediately to make repairs. But how do you tackle emergency repairs on an orbiting space telescope hundreds of miles from Earth? That’s a problem that some NASA engineers are now working to solve. After 18 years of capturing images of nearby galaxies and newborn stars, the hard-working Hubble Space Telescope mysteriously stopped sending data in late September. The timing of the failure was unfortunate. It occurred just weeks before a shuttle mission to upgrade the aging space telescope was scheduled to blast off. That mission is now on hold until early next year while NASA engineers find ways to address the telescope’s recent problem. The problem stems from a failure inside a data formatting unit, a device designed to receive scientific data from the telescope's five main instruments and transmit this data to Earth. Without this unit, the Hubble is unable to capture and beam down information that is needed to produce the telescope’s breath-taking deep space images. NASA was prepared for such an emergency, though, and had stowed a copy of the formatting unit onboard. However, immediately switching over to this backup unit could create new problems, says Preston Burch, Hubble manager at NASA’s Goddard Space Flight Center in Greenbelt, Md. For starters, the switchover would require engineers to electronically reconnect all five main instruments. The change might also blow a fuse or cause additional failures for Hubble. Instead, the Earth-bound engineers plan to tackle the job slowly. The first step, says Burch, is to practice making the switch on a replica of the Hubble system located on the ground at NASA’s Goddard Space Flight Center. If all goes well on Earth, the engineers will then attempt to switch to the duplicate unit onboard the real Hubble in space. But even if it works, the switch to the duplicate system would be a short-term solution, Burch says. To ensure that Hubble keeps going as long as possible, NASA plans to send some “roadside assistance” to space. Astronauts may carry a duplicate data formatting unit into space when the recently delayed servicing mission launches next year. By replacing the failed data formatting unit with a new gadget, a spare unit could remain on Hubble in case of another failure, Burch says. Still, this is no ordinary emergency repair job. The astronauts will have to replace the unit during a two-hour spacewalk 612 kilometers (380 miles) above Earth.

Troubles with Hubble
Troubles with Hubble








Designed and Powered by HBJamaica.com™