Near-Earth Objects - page 15

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A comet diving into the Sun

A comet is diving into the sun today. Just discovered by comet hunters Michal Kusiak of Poland and Sergei Schmalz of Germany, the icy visitor from the outer solar system is expected to brighten to first magnitude before it disintegrates on Sept. 14th.

September 13, 2011

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Huge defunct satellite to plunge to Earth

Heads up! That's the word from NASA on Sept. 7  given the impending re-entry of a 6.5-ton satellite through Earth's atmosphere. The huge Upper Atmosphere Research Satellite (UARS) is expected to re-enter Earth's atmosphere in an uncontrolled fall in late September or

September 09, 2011

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Some facts and figures about Comet Elenin

2010 X1 (Elenin) is apparently disintegrating. It faded dramatically after a solar flare on August 20. Images at the end of August revealed a spreading, more diffuse coma. It will likely continue to fade and become more diffuse in the opening days of the month. It

September 06, 2011

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What is happening with International Space Station

While some may dismiss such claims as hype, there is a real fear among NASA officials that, should the orbiting space station need to be abandoned, the risk for a catastrophic failure greatly increases. The situation arose when Russia’s Soyuz rocket, carrying

September 01, 2011

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Comet Garradd approaching the sun and brightening

As September begins, green Comet Garradd is gliding across the star fields of the Milky Way in the early evening sky. The icy visitor from the outer solar system is not yet visible to the naked eye, but it looks great through amateur telescopes.Astrophotographer

September 01, 2011

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Proposed missions that could deflect asteroids and space rocks

While scientists keep a close watch on the myriad space rocks near Earth, they don’t yet have a solid plan on what to do if one appears headed on a collision course toward our planet.Two new studies propose potential spacecraft missions that would collide with

August 31, 2011

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NASA tests communication scenarios for Near-Earth Asteroids

NASA’s Desert Research and Technology Studies (RATS) team has commenced testing communication scenarios for near-Earth asteroids. The RATS team also evaluates technology, human-robotic systems and extravehicular equipment in the high desert near Flagstaff, Arizona

August 31, 2011

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Comet Elenin self-destructs?

Whenever astronomers discover a comet headed inbound toward a close encounter the Sun, there's always buzz among observers about how bright it might get. That was certainly the case last December, when Comet Elenin (C/2010 X1) made its debut. Many hoped

August 30, 2011

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Comet Elenin (C/2010 X1) appears to be breaking apart

Comet Elenin (C/2010 X1), widely known for inaccurate reports of its threat to Earth, appears to be breaking apart. Observations by amateur astronomer Michael Mattiazzo of Castlemaine, Australia show a rapid dimming and elongation of the comet's nucleus akin to

August 30, 2011

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A bright meteor lit up the night sky above Atlanta

A bright meteor lit up the night sky above Atlanta on Sunday, August 28, 2011, in a dazzling display caught by NASA cameras. The meteor streaked over Atlanta, Ga., and its surrounding cities at the mind-blowing speed of about 52,800 mph (84,970 kph). NASA's...

August 29, 2011

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Space junk cleanup poses grand challenge for 21st century

Scientist warn about threat to spacecraft and the enviroment that posses space debris orbiting the Earth. According to J.-C. Liou of the Orbital Debris Program Office at NASA's Johnson Space Center, the space junk trend no longer can be reversed by full compliance with

August 16, 2011

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Comet Garradd seen in the night sky

 The comet, with the nomenclature C/2009 P1, is now coming into small telescope/binocular view so here’s your chance to see the brightest comet in the current night sky. You can find it in the late evening sky in the constellation Pegasus. Viewing it now,

August 14, 2011

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45P/Honda–Mrkos–Pajdušáková

The comet Honda-Mrkos-Pajdusakova is expected to brighten rapidly in August as it passes to the south of the Earth. It will be observable from the southern hemisphere for about 2 weeks before getting too close to the Sun.At its closest the comet will be 0.060 AU from

August 13, 2011

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Perseid meteor shower on August 12th and 13th

Earth is entering a stream of debris from Comet Swift-Tuttle, source of the annual Perseid meteor shower. International observers are now reporting more than a dozen Perseids per hour, a number that will increase as the shower reaches its peak on August 12-13. Full

August 10, 2011

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An exploding meteor responsible for a huge bang at Niue island in Pacific

An exploding meteor is believed to be responsible for a huge bang that reverberated around the Pacific island nation of Niue last week.Niue police chief Mark Chenery said the loud bang on Wednesday night woke the island's 1200 residents and he initially thought a

August 08, 2011

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Trail of crumbs discovered from potentially hazardous comet

A surprise meteor shower spotted in February was likely caused by cosmic "bread crumbs" dropped by an undiscovered comet that could potentially pose a threat to Earth.The tiny meteoroids that streaked through Earth's atmosphere for a few hours on Feb. 4 represent a

July 28, 2011

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First Trojan asteroid found locked into Earth's orbit

NASA’s Wide-field Infrared Survey Explorer (WISE) has found the very first asteroid that (more or less) shares an orbit with Earth! Called 2010 TK7, this asteroid is about 300 meters (roughly 1000 feet) across, and is the first in an up-to-now theoretical class of

July 28, 2011