L4

Definitions

initialism astrophysics fourth Lagrange point, located 60-degrees ahead on the orbit of the smaller object in orbit around a larger one

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NASA's twin Solar Terrestrial Relations Observatory (STEREO) spacecraft are about to enter these zones, known as the L4 and L5 Lagrangian points, each centered about 93 million miles away along Earth's orbit.

PhysOrg.com - latest science and technology news stories 2009
I started to call L4 to come and do a little school work, but when I saw him I changed my mind.

HS Blog - Homeschool Blog 2008
RD to GW, MAY 16, 1757 2 letters, GWP S4; GW to JR, JUN 10, 1757, GWP S2 L4.

George Washington’s First War David A. Clary 2011
GW to RD, SEP 17, 1757, GWP S2 L4; RD to GW, OCT 24, 1757

George Washington’s First War David A. Clary 2011
GW to RD, DEC 19, 1756, GWP S2 L4; RD to GW, DEC 27, 1756

George Washington’s First War David A. Clary 2011
GW to Stanwix, JUN 15 and 28, to JR, JUL 10, 1757, GWP S2 L4.

George Washington’s First War David A. Clary 2011
RD to GW, DEC 15 and 27, 1756, GWP S4; GW to RD, DEC 19, 1756, GWP S2 L4.

George Washington’s First War David A. Clary 2011
GW to Joshua Lewis, AUG 3 and 4, to RD, AUG 27, 1757, GWP S2 L4.

George Washington’s First War David A. Clary 2011
P.S. #1 The ONLY theoretically feasible approach to space solar power stations is to build them way up in the L4/L5 Lagrange points using materials from ... the Moon.

Latest NASA Administrator Speculation - NASA Watch 2009
GW to RD, JUL 10, 1757, GWP S2 L4; RD to GW, JUL 18, 1757

George Washington’s First War David A. Clary 2011