/** Mars' radius in meters */
export declare const MARS_RADIUS = 3389500;
/** Mars' equitorial radius in meters */
export declare const MARS_RADIUS_EQUATORIAL = 3396200;
/** Mars' polar radius in meters */
export declare const MARS_RADIUS_POLAR = 3376200;
/** The average circumference of Mars in meters. */
export declare const MARS_CIRCUMFERENCE = 21296856.59868521;
/**
 * The altitude of the highest known point on Mars in meters.
 * https://geology.com/articles/highest-point-on-mars.shtml
 */
export declare const MARS_HIGHEST_ALTITUDE = 21229;
/**
 * The altitude of the lowest known point on Mars in meters.
 * https://en.wikipedia.org/wiki/Hellas_Planitia
 */
export declare const MARS_LOWEST_ALTITUDE = -7152;
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