Tag: Doppler effect

The 20-year-old mysteries of nu Octantis: Its almost unbelievable planet – or what?

Written by
Dr David Ramm discovered the nu Octantis exoplanet almost 20 years ago while studying for his PhD and has since studied the seemingly impossible planet

When observing the light emitted by nearby stars as part of his PhD at the University of Canterbury, New Zealand, Dr David Ramm made a discovery that turned astronomers’ understanding of orbital mechanics on its head. With an orbit lying roughly halfway between two very close stars in a binary system, the nu Octantis exoplanet seemed at first glance impossible. […]

Read More… from The 20-year-old mysteries of nu Octantis: Its almost unbelievable planet – or what?

Investigating gravity waves and infrasound in the ionosphere

Written by

The Earth’s ionosphere provides a crucial barrier between the lower atmosphere and outer space – yet relatively little is known about how the complex dynamics of this layer are influenced by low-frequency atmospheric waves, generated close to Earth’s surface. In his research, Dr Jaroslav Chum at the Institute of Atmospheric Physics in Prague uses advanced observation techniques to investigate the […]

Read More… from Investigating gravity waves and infrasound in the ionosphere