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Space Sounds: The Music of the Cosmos

Space today is terrifyingly silent. But it wasn’t always thus: the early universe was filled with a hot plasma in which sound waves could travel. The cosmos was quivering with the aftershocks of the Big Bang.

Cosmic Vision: Fast & Furious

Highly energetic particles from outer space travelling at the speed of light, known as cosmic rays, originate from the sites of extreme particle acceleration in the Universe.

Cosmic Vision: Unravelling Rainbows

When light is dispersed into its constituent colours, it can become possible to discern rich dynamical information about an evolving system in space, for example cosmic explosions, collisions or accelerations.

Neutrino: The Particle that Shouldn’t Exist

In 1930, the great physicist Wolfgang Pauli invented a new particle to save the principle of energy conservation in certain radioactive decays he was studying.

Understanding the Universe with AI

Over the last 30 years, digital technology produced an exponential increase in astronomical data. Within our lifetime, the entirety of the visible universe will have been mapped out: we will have seen everything there is to see. The question will then be: what does it all mean?

Cosmic Vision: Witnessing Fireworks

Accounts of occasional celestial spectacular events in past centuries have provided crucial information for modern-day astrophysicists. One such example is the so-called Great Eruption of Eta Carinae which was for a time in the mid 19th century the third brightest object in the night sky.

Loving Animals: Historical Reflections on Bestiality, Zoophilia and Post-Human Love

What is meant by ‘love’ between human and nonhuman animals? Why is sex with animals such a taboo? It is only in very recent years that some people have begun to undermine the absolute prohibition on zoosexuality. Are their arguments dangerous, perverted, or simply wrongheaded?

Cosmic Vision: Attentive Eyes

Well-trained eyes can be remarkably useful for capturing light curves of evolving objects in the cosmos, even contributing to modern research programmes.

Cosmic Vision: Watching the Radio

At longer wavelengths than the normal optical wavelengths to which human eyes are normally sensitive, is the radio part of the electromagnetic spectrum.

Looking for Life On Mars

Mars has changed since it formed 4.6 billion years ago. When life started on Earth ~4 billion years ago, Mars was habitable too, with volcanism, a magnetic field, surface water and a thick atmosphere. Today, Mars is cold and dry, with a thin atmosphere and harsh surface.

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