Archive for the ‘Asteroids’ Category

SPACE TELESCOPES SPOT ASTEROID COLLISION DEBRIS

Thursday, April 28th, 2011

Imagine a truck, speeding down the freeway. Flying in the opposite direction is a mosquito. Smack. The mosquito collides with the truck’s fender, vaporizing. All that’s left is the gooey remains of the mosquito’s lunch across the chrome and the rest is lost into the howling wind behind the vehicle.

Cigar-shaped asteroid stronger than ’15 atomic bombs’ whizzes by earth

Monday, April 18th, 2011

An asteroid as strong as 15 atomic bombs whizzed past earth last night at just ten times the distance of the moon.
Astronomers first spotted the cigar-shaped rock spinning through space on Monday evening and tracked it.

Pan-STARRS scoops 19 asteroids in one night

Tuesday, March 1st, 2011

The Pan-STARRS PS1 telescope (Panoramic Survey Telescope and Rapid Response System) clocked 19 near-Earth asteroids during the night of 29 January, setting a record for the most number of asteroids discovered in one night.

HOW DO WE DODGE THE NEXT INCOMING ASTEROID?

Tuesday, March 1st, 2011

Social networking has never before made me feel quite so vulnerable to space rocks!
A few days ago on Feb. 9th, I received a tweet advising me that asteroid 2011 CA7 had just shot between the Earth and moon at a distance of only 0.3 lunar distances — or 115,300km!

Just another asteroid hurtling toward Earth …

Tuesday, March 1st, 2011

At 4:33 a.m. on a recent Friday, Timothy Spahr was startled awake by a beep from his cellphone: A text message alerted him that a rocky object was hurtling toward Earth. He told his wife it was “some asteroid thing’’ and went to check his computer.

What Is Asteroid Apophis?

Thursday, February 10th, 2011

Whether you fear an asteroid hitting the earth in the next few decades depends on how much faith you have in the odds.
The latest end-of-the-world space oddity concerns Apophis, an asteroid larger than two football fields.

Asteroid Once Seen As Danger Offers Chance For Close Study

Saturday, January 29th, 2011

An asteroid that once was seen as a danger to the Earth may soon be a once-in-a-century opportunity to get a close look at one – and learn more about the ones that really are a hazard.

UA expert has this asteroid by the tail

Tuesday, December 28th, 2010

Using a small telescope atop Mount Bigelow, University of Arizona astronomer Steve Larson found a rare phenomenon in the night sky – an asteroid that suddenly developed a tail.

A Week’s Warning of Asteroid Strike Would Be Simple, Scientist Says

Saturday, December 4th, 2010

An early warning system that could give Earth a week’s notice or more before a space rock destroyed a city would cost only $1 million per observatory, its leading proponent suggests.

Asteroid Impact Early Warning System Unveiled

Wednesday, November 10th, 2010

Astronomer reveals plans for a network of telescopes that could give up to three weeks’ warning of a city-destroying impact.

Purdue unveils ‘Impact: Earth!’ asteroid impact effects calculator

Thursday, November 4th, 2010

Purdue University on Wednesday (Nov. 3) unveiled ”Impact: Earth!” a new website that allows anyone to calculate the potential damage a comet or asteroid would cause if it hit the Earth.

Asteroid would impact ozone layer

Thursday, October 28th, 2010

A large asteroid smashing into the Pacific ocean would devastate the ozone layer for years afterwards, report planetary scientists.

White House Adviser: US Must Prepare for Asteroid

Thursday, October 28th, 2010

If an asteroid were on a collision course with Earth, would we be ready to defend against its destructive impact or would we be helpless and defenseless?

Asteroid may have triggered evolution

Wednesday, October 20th, 2010

A colossal asteroid that struck South Australia during a glacial cold snap 590 million years ago may have triggered the evolution of Earth’s earliest complex organisms, Australian geologists reported.

Planetary Defense Coordination Office Proposed to Fight Asteroids

Wednesday, October 20th, 2010

A new report calls on NASA to establish a Planetary Defense Coordination Office to lead national and international efforts in protecting Earth against impacts by asteroids and comets.

Possible threat to Earth by asteroids among issues at UN debate on outer space

Saturday, October 16th, 2010

A United Nations working group is currently looking into how the Organization should respond to possible threats to the planet from near-earth objects, such as asteroids, a senior official with the world body said today.

Is the World Ready for An Asteroid Threat? Apollo’s Schweickart Pushes for Action

Saturday, October 16th, 2010

If we discover an asteroid heading directly towards Earth, are we ready to deal with the challenges of either deflection strategies or an evacuation prior to impact? Apollo 9 astronaut Rusty Schweickart has spent years championing the need for the human race to prepare for what will certainly happen one day: an asteroid threat to Earth.

Asteroid collision forensics

Saturday, October 16th, 2010

Scientists from the Max Planck Institute for Solar System Research use the unique perspective from the Rosetta spacecraft to put a date on impact

When is a comet not a comet? Rosetta finds out

Saturday, October 16th, 2010

It was a case of celestial hit and run. Two asteroids, both in the wrong place at the wrong time. The result: one big trail of debris and a case of mistaken identity. Now, however, ESA’s comet-chaser Rosetta has unravelled the truth.

Dawn mission faces asteroid gravity trap

Monday, October 11th, 2010

An asteroid-exploring probe must elude a gravity trap for close looks at its quarry in 2011, astronomers report.