News articles tagged with 'comet'
'Ultra-primitive' particles found in comet dust
— 3 Nov 2009 09:08 | AstronomyDust samples collected by high-flying aircraft in the upper atmosphere have yielded an unexpectedly rich trove of relicts from the ancient cosmos, report scientists from the Carnegie... — full story
Twin Keck telescopes probe dual dust disks
— 26 Sep 2009 13:00 | AstronomyAstronomers using the twin 10-metre telescopes at the W. M. Keck Observatory in Hawaii have explored one of the most compact dust disks ever resolved around another star. If placed... — full story
Mini-comets within a comet lit up 17P/Holmes during mega-outburst
— 16 Sep 2009 00:02 | AstronomyAstronomers from the University of California, Los Angeles and the University of Hawaii have discovered multiple fragments ejected during the largest cometary outburst ever witnessed.... — full story
Jupiter captured comet for 12 years in mid-20th century
— 14 Sep 2009 00:02 | AstronomyComet 147P/Kushida-Muramatsu was captured as a temporary moon of Jupiter in the mid-20th century and remained trapped in an irregular orbit for about twelve years... — full story
NASA researchers make first discovery of life's building block in comet
— 18 Aug 2009 13:28 | AstronomyNASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft... — full story
Crashing comets not likely the cause of Earth's mass extinctions
— 30 Jul 2009 18:00 | AstronomyScientists have debated how many mass extinction events in Earth's history were triggered by a space body crashing into the planet's surface. Most agree that an asteroid collision 65... — full story
Hubble captures the recent impact on Jupiter
— 24 Jul 2009 22:47 | AstronomyDuring the past several days the discovery of the Australian amateur astronomer Anthony Wesley about a comet or asteroid impact on Jupiter is going to overshadow even the solar eclipse... — full story
Space shuttle science shows how 1908 Tunguska explosion was caused by a comet
— 25 Jun 2009 12:17 | AstronomyThe mysterious 1908 Tunguska explosion that levelled 830 square miles of Siberian forest was almost certainly caused by a comet entering the Earth's atmosphere, says new Cornell University... — full story
Primitive dust samples provide pre-solar time capsules
— 21 Apr 2009 13:18 | AstronomyAn international team of scientists has found some of the most primitive matter containing abundant interstellar material analysed to date amongst dust particles collected from the... — full story
How to deflect asteroids and save the Earth
— 17 Apr 2009 08:25 | AstronomyYou may want to thank David French in advance. Because, in the event that a comet or asteroid comes hurtling toward Earth, he may be the guy responsible for saving the entire planet... — full story