What question did this study set out to answer?

The aim is to establish a reliable cosmic reference system to enhance deep-space navigation accuracy.

April 30, 2026Open Access

Anisotropy-Based-Cosmic Navigation (ABN)

Key Points

The aim is to establish a reliable cosmic reference system to enhance deep-space navigation accuracy.
Introduces the Anisotropy-Based Navigation (ABN) framework
Utilizes the Cosmic Microwave Background (CMB) Dipole as a directional axis
Employs Baryon Acoustic Oscillations (BAO) as a standard ruler to minimize spatial uncertainty.
Aims to reduce navigation spatial uncertainty by a factor of 2000.

Abstract

"This paper introduces the Anisotropy-Based Navigation (ABN) framework, a proposed absolute cosmic reference system. By utilizing the Cosmic Microwave Background (CMB) Dipole as a directional axis and Baryon Acoustic Oscillations (BAO) as a standard ruler, the framework aims to reduce spatial uncertainty in deep-space navigation by a factor of 2000."

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