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...solar nebula that gave birth to the Solar System, preserving the composition of this original material. In contrast, processed samples have been altered by heat. They are from larger bodies and contain information about planetary surfaces and interiors. [Meteorite piece weighing about 4g] Meteorite piece weighing about 4g The stones that fell over Winchcombe are from the...

...energy. These gaps in knowledge are frustrating for anyone who would like to understand the nature of the Universe. In this free course, Unsolved problems in cosmology, you will learn about what the current unsolved problems are and about the possible ways in which they may be solved in the future...The science of cosmology has been very successful in explaining a wide...

...energy source at its heart...The field of active galaxies is recognised as one of increasing importance. But how do we know there are different kinds of galaxy? What are active galaxies? How are they powered? This free course, Introduction to active galaxies, examines the different types of active galaxies and looks at the crucial role of the active galactic nucleus and...

...solar system. Moons are certainly plentiful in our solar system – the four giant planets host over 200 moons between them. Even Saturn’s largest moon, Titan, has a radius that is less than 5% that of its parent planet, and while it’s true that the Earth and moon have a size ratio of about four to one, they are both rocky bodies. The Earth-moon system formed as a...

...equip space missions with the technology they need to analyse the planets? Or how pieces of space rock can be picked apart in the laboratory to tell us about the history of the Solar System? In this collection you will learn how early career scientists within the School of Physical Sciences carry out research to learn more about the world, and space, we live in....