News tagged with doppler shift

Kepler 78b exoplanet is Earth-like in mass and size

In August, MIT researchers identified an exoplanet with an extremely brief orbital period: The team found that Kepler 78b, a small, intensely hot planet 700 light-years from Earth, circles its star in just ...

Oct 30, 2013
4.9 / 5 (16) 4 | with audio podcast

Bluetooth baby

Checking the heart of the unborn baby usually involves a stethoscope. However, an inexpensive and accurate Bluetooth fetal heart rate monitoring system has now been developed by researchers in India for long-term home care. ...

May 17, 2012
5 / 5 (2) 0

Blue whales have perfect pitch

Blue whales have the remarkable ability to synchronize the pitch of their songs so that they all hit the exact same note, according to a new study. Professor of Physics Roger Bland recorded thousands of whale ...

Sep 10, 2010
5 / 5 (2) 1

Explained: the Doppler effect (w/ Video)

Many students learn about the Doppler effect in physics class, typically as part of a discussion of why the pitch of a siren is higher as an ambulance approaches and then lower as the ambulance passes by. ...

Aug 03, 2010
3.4 / 5 (24) 21 | with audio podcast