Doppler shift

Tags: helioseismology : frequency : astroseismology : sound wave : standing wave : acoustic oscillation : Doppler shift

On 11th August 1999 a total eclipse of the Sun will be visible from parts of the UK. It will provide a spectacular display, but why is the Sun so interesting? Helen Mason explains.

Tags: helioseismology : magnetic field : standing wave : Doppler shift : harmonic wave : wave : sine wave : electromagnetism : solar eclipse : sunspot : cosine

Asteroid just missed Earth

Tags: astronomy : asteroid : asteroid collision : Doppler shift

Researchers observe the Inverse Doppler effect for the first time.

Tags: phase velocity : wavelength : sound wave : Doppler shift

Extrasolar planets have been grabbing the headlines

Tags: NASA : gravity : Doppler shift : planet : European space agency

Einstein proved correct, ..... again!

Tags: Doppler shift : Einstein : special relativity : time dilation