Gravity Probe B
id:
gravity-probe-b-211-3554474
title:
Gravity Probe B
text:
Gravity Probe B (GP-B) was a satellite-based experiment to test two unverified predictions of general relativity: the geodetic effect and frame-dragging. This was to be accomplished by measuring, very precisely, tiny changes in the direction of spin of four gyroscopes contained in an Earth-orbiting satellite at 650 km (400 mi) of altitude, crossing directly over the poles. The satellite was launched on 20 April 2004 on a Delta II rocket. The spaceflight phase lasted until 2005; Its aim was to me
brand slug:
wiki
category slug:
encyclopedia
description:
Orbital gravitational observatory
original url:
https://en.wikipedia.org/wiki/Gravity_Probe_B
date created:
2004-03-16T19:16:26Z
date modified:
2024-09-11T22:52:15Z
main entity:
{"identifier":"Q836799","url":"https://www.wikidata.org/entity/Q836799"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/b/bb/Artist_concept_of_Gravity_Probe_B.jpg","width":640,"height":480}
fields total:
13
integrity:
16