LIGO-LISA

Autor:

NASA

Credit:

http://lisa.jpl.nasa.gov/gallery/ligo-lisa.html

Krótki link:

https://plwiki.pl/b/7026c

źródło:

Wikimedia Commons

Wymiary:

1024 x 709 Pixel (284569 Bytes)

Opis:

LISA will search for low-frequency gravitational waves that will never be detectable by any terrestrial detectors, existing or planned. These low-frequency gravitational waves cannot be detected on Earth because Earth's gravitational field is constantly changing (due to atmospheric effects and ground motions). These changes cause motion of proof masses in a way which is indistinguishable from the motion caused by gravitational waves. Ground-based detectors like the Laser Interferometer Gravitational-Wave Observatory (LIGO) will view the high-frequency waves from transient phenomena, like supernovae and the final minutes of inspiraling neutron-star binaries. LISA will observe the lower frequency waves from quasi-periodic sources, like compact star binaries long before coalescence, and supermassive black-hole binaries in the final months of coalescence.

Licencja:

Public domain

Komentarz do licencji:

Original work of NASA