Tags » Comets

Organic molecules on comets: Philae's first results from Churi prove surprising

Courtesy: Science Daily

Organic molecules never previously observed in comets, a relatively varied structure on the surface but a fairly homogeneous interior, organic compounds forming agglomerates rather than being dispersed in the ice: these are just some of first results provided by Philae on the surface of comet Churi. 1,245 more words

Science

Philae probe gets a 'sniff' of acetone, indicating comets can concoct complex compounds

BERLIN – Scientists say the Philae space probe has gathered data supporting the theory that comets can serve as cosmic laboratories in which some of the essential elements for life are assembled. 586 more words

News

C/2014 Q2 (Lovejoy)

Discovered by Terry Lovejoy on 17 August 2014, comet C/2014 Q2 (Lovejoy) put on quite some show this spring. I had the opportunity to observe it on several occasions, using my 7×50 binos for the reports to… 411 more words

C/2014 Q2 (Lovejoy)

Astronomy: How A Comet Interacts with Solar Wind

The solar wind is the constant stream of electrically charged particles that flows from the Sun, carrying its magnetic field out into the Solar System. Like all comets, 67P/Churyumov–Gerasimenko must navigate this flow in its orbit around the Sun. 872 more words

Planetary Classification

Tony Harris asks:

It sounds as though you have some kind of planetary classification scheme set up. Care to share how it works? :please:

Well, yes, yes I do.

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Worldbuilding

What if...A comet hit the sun?

Comets keep hitting the earth, like all the time. Remember 65 million years ago that wiped out the dinosaurs, and the one that hit 3.3 million years ago and caused another set of extinctions and a cooling trend (ice age?) and…and Armageddon, and..and Deep Impact…Oh wait! 219 more words

Daily Excerpts

July 23 - 114 Kassandra

Asteroid 114 Kassandra was discovered by prolific asteroid hunter Christian Heinrich Friedrich Peters on July 23rd 1871.  It is in the main belt, is about 100km in diameter, and is of spectral type “T”.  232 more words

Asteroids