PRESENTATION TITLES
The five most popular Star Talks are summarised here.
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However Dennis can present shows on any astronomical theme of your choice on request.
Please scroll down to view descriptions of the five most requested presentations,
1. Other Worlds           2. Lives of Stars            3. Lightspeed Universe
4. Living in Space          5. Exoplanets & Aliens
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1. Other Worlds
Suitable for any age group
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We explore the planets of the Solar System,
using the best images from NASA and ESA.
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Our journey takes us from the Sun, our local star, to the inner rocky planets.
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After crossing the asteroid belt, we explore the gas giant planets and their moons.
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.Our epic journey takes us to Pluto and we find more dwarf planets on our way
to the edge of our planetary system and the realm of comets.
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Finally we discover that there are other planets orbiting distant stars.
Perhaps we are not alone in the universe!
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2. The Lives of Stars
Suitable for KS3 and KS4 students

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We begin by reviewing the evidence, in an astronomical detective story,
of how we developed our ideas about the life cycle of stars.
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We then follow the life of a star from its birth
in a hydrogen nebula to its death as a red giant
then white dwarf star.
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Along the way we discover the role of gravity in
creation of stars and find out why stars shine.
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We also see how planets, including our Earth,
are formed.
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Large stars die in a more dramatic way, exploding in a supernova to leave
a neutron star or black hole.
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Finally we discover that stars create the elements which make the universe - and ourselves.
We are all children of the stars!
3. Lightspeed Universe
Suitable for all age groups
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We travel on a beam of light for a mind-spinning journey to the edge of the Universe!
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After flying by our neighbouring planets,
we dive into deep space.
We see new stars and planets created
whilst old stars die as white dwarfs
or black holes.
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Leaving our Milky Way, we journey past
other galaxies and countless stars.
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As we approach the edge of the Universe, we discover that space is getting larger,
the Universe is expanding. We discover that all is not as it seems.
Mysterious Dark Matter and Dark Energy control the cosmos.
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Finally, after a journey lasting 28 billion years, we return home.
We're back in time for tea, not a day older than when we left!

4. Living in Space

Suitable for any age group
We review the history of manned spaceflight,
culminating in the Apollo Moon landings.
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Then we turn to the present and the
International Space Station.
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Featuring the recent mission with British
astronaut Tim Peake,
we see how people live in space -
working, eating, drinking, washing, sleeping
and going to the toilet!
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Finally we look to the future with a return to
the Moon, journey to Mars
and holidays in space.

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5. Exoplanets and Aliens
Suitable for any age group.
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Is there life elsewhere in the Universe?
We explore one of the great questions in science.
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After defining what life is, we look at the possibility
of finding living things on nearby worlds:
Mars and the moons of Jupiter and Saturn.
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Our focus then turns to the discovery of exoplanets -
worlds orbiting distant stars.
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After finding a number of exoplanets capable of
supporting life, we speculate on
what the aliens may be like.
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Life, Jim, but not as we know it!
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Dennis finishes the show by teaching the audience
a little of an alien language!
Other Presentations
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Dennis offers other astronomy themes, including:
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Mars, the red planet.
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Cosmic Collisions
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Big Bang
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Please contact Dennis for details of these
specialist topics.
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