Navagraha
The nine that seize - live positions of all nine grahas
What Does Graha Mean?
Graha (ग्रह) comes from the Sanskrit root grah - “to seize” or “to grasp.” Calling the Navagraha “nine planets” is a mistranslation that obscures the original insight.
The Sun is a star. The Moon is a massive rocky world dominating the night sky. Rahu and Ketu are not physical bodies at all. Clearly these are not nine things of the same kind. What they share is that they all move against the fixed background of stars - and their positions affect what we observe in the sky.
The grouping makes perfect sense once you understand it astronomically:
Ancient Indian astronomers identified these nine movers long before the modern word "planet" existed. They tracked them not because they are all the same kind of object, but because they all move against the fixed stars - and their positions determined eclipses, seasons, and calendar reckoning.
Where Are They Now?
Rahu & Ketu - The Eclipse Mechanism
The Moon’s orbit is tilted ~5.1° to the ecliptic (the plane of Earth’s orbit around the Sun). The two points where these planes intersect are the lunar nodes:
- Rahu (ascending node) - where the Moon crosses the ecliptic moving northward
- Ketu (descending node) - where the Moon crosses the ecliptic moving southward
Eclipses can only occur when the Sun is near one of these nodes at the time of a new moon (solar eclipse) or full moon (lunar eclipse). This is why ancient astronomers tracked Rahu and Ketu - predicting where the nodes are means predicting eclipse seasons.
The nodes precess westward (retrograde) through the zodiac, completing one full cycle in ~18.6 years. This nodal precession period underlies the Saros cycle (~18 years, 11 days) - the interval after which eclipses repeat in families.