(d) Meteors and comets searches, confirmation, behaviour of central condensation and of comet tails, comet flares, comet rotation and comet jets

comet

Comets

1000 meters

meters

Comet

Comets are very much like asteroids.

Draw comets in the sky map?

Draw comets?

He's found so many comets, they named a comet after him.

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Comets are very much like asteroids.

It was on my fourth trip to Everest that a comet passed over the mountain. Hyakutake.

And when the comet hits, the pressure produces the buckyballs, and it captures bits of the comet.

Halley's Comet will come back in 2061.

Maximum distance from Sun for labeling comets, in AU

The maximum solar distance for drawing comets.

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Maximum distance for comet names

He's found more than 140 comets.

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That comet's beautiful. Life is beautiful!

It was the first totally disrupted (fragmented) comet ever to be observed, and the first to be seen orbiting and impacting a planet.

It's kind of out past Mars. It's a hike.

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Comets are a tougher act.

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While I was in Easter Island, comet McNaught was there also, so you get a gratuitous picture of a moai with a comet.

We don't really have the technology to predict comet trajectories, or when one with our name on it might arrive.

But he found 140 comets without a telescope.

And this is a comet, captured by Dr. Euan Mason.

This was the impact that happened last week on a comet.

There we see Mars, again with various names.

With regard to ESA apos s scientific programmes, MMS was the contractor for three scientific satellites Giotto (interception of Halley and Grigg Skjellerup comets), Hipparcos (celestial cartography) and Soho (study of the Sun).

Comets provide important information about the origin of the solar system because they are the most primitive objects in the system and their chemical composition has not changed very much since their formation.

We need a dedicated observatory that looks for comets.

The Subcommittee noted that near Earth objects were asteroids and comets with orbits that crossed the orbit of the planet Earth.

We did move the comet a little tiny bit, not very much, but that wasn't the point.

This work is carried out mainly in the Asteroids and Comets Department of the Institute by five scientists and, on average, two research students.

Comets are carriers of complex organic molecules, which, brought to Earth through impacts, perhaps played a role in the origin of life.

(g) Comet asteroid impacts and human society , by the observer for the International Council for Science

Its main target is to orbit around comet 67P Churyumov Gerasimenko for about one year as it heads towards the Sun and to release the Philae lander on the surface of the nucleus to perform in situ experiments.