Sentence examples for primary moon from inspiring English sources
New Horizons spent more than eight hours after its closest approach looking back at Pluto for a series of experiments to study the planet's atmosphere and photograph its night-side using light reflected off its primary moon Charon.
A third possibility is where the primary and moon are tidally locked to each other.
In this paper, optimal two-impulse Earth-Moon transfers using the lunar gravity assist (LGA) are designed and investigated in the restricted four-body problem (RFBP) with the Sun, the Earth, and the Moon as primaries.
Although the probe's primary mission — to explore the moon's thin atmosphere and dust environment — is complete, scientists still want to see what the spacecraft can uncover about lunar dust from only a few kilometers above the moon's surface.
The crew performed maneuvers that were "critical to preparations for flying astronauts to the moon, which is the primary goal of the nation's $24-billion 24-billionject".
A different scenario occurs when the moon is either revolving around the primary faster than the primary rotates, or is revolving in the direction opposite the planet's rotation.
Among the heavenly bodies the primary object of Slavic veneration was the moon.
Indeed, smashing into the moon's surface is the primary objective of LCROSS (the name stands for Lunar CRater Observation and Sensing Satellite).
All the major moons in the solar system, including our own moon, are tidally locked to their primaries: they always keep the same face turned inwards towards their planet.
The moon gains energy and gradually spirals outward, while the primary rotates more slowly over time.
