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Where is the Lagrange point L2 of the Earth-Sun system?
Quick Answer
Earth-Sun L2 is about 1.5 million kilometers from Earth on the side away from the Sun. It is a prime location for deep-space observatories.
The Full Story
The Earth-Sun L2 point sits roughly 1.5 million kilometers from Earth in the opposite direction from the Sun. A spacecraft placed there can keep the Sun, Earth, and Moon on one side, making thermal control and sky observations easier. The James Webb Space Telescope operates in a halo orbit around this point, which helps it keep its telescope instruments extremely cold. ESA’s Gaia mission also used this region for precision astrometry.
Key Facts
1.About 1.5 million km from Earth away from the Sun
2.James Webb orbits near L2
3.Gaia also used the L2 region
YouTube Angle
Suggested video title for this topic:
"The quiet vantage point where Webb sees the universe"
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