Gravitational waves: a taxonomy
Gravitational waves were predicted by Einstein – but where do they come from, and what different types might there be out in the cosmos?
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Gravitational waves were predicted by Einstein – but where do they come from, and what different types might there be out in the cosmos?
Using a simple calculation, measure the distance between Earth and the Moon with the help of a local amateur radio station.
In the fifth and final article in this series on astronomy and the electromagnetic spectrum, find out how scientists use the European Space Agency’s missions to observe the sky in far-infrared, sub-millimetre and microwave light.
Gravitational waves are among the most subtle messengers that reach us across the cosmos. But how can their infinitesimal effects be detected?
How do astronomers measure distances to the stars? Using a digital camera to record parallax shift is an accurate and authentic method that can be used in a classroom.
Typical school exchanges focus on language and culture – but you can also build a successful exchange programme around science.
How far away are the stars? Explore in your classroom how astronomers measure distances in space.
Scientists are searching deep underground for hard-to-detect particles that stream across the Universe.
A new tool lets astronomers ‘listen’ to the Universe for the first time.
Astronomers are still trying to discover exactly why galaxies formed in spiral shapes, and what’s likely to happen to our galaxy in the future.