Mon Sep 08 00:00:00 UTC 2025: Okay, here’s a summary of the text and a rewrite as a news article:

**Summary:**

A new study demonstrates a simple method for spacecraft to navigate through space using stellar parallax. This involves observing the apparent shift in the position of nearby stars (Proxima Centauri and Wolf 359) relative to more distant background stars from the spacecraft’s vantage point and comparing it to observations from Earth. The difference in observed position (the parallax angle) can be used to calculate the spacecraft’s distance. While not immediately practical for current missions like New Horizons which can still be tracked via Earth, this technique, requiring only a camera, standard computer, and star catalog, holds promise for future deep-space or interstellar travel where Earth-based tracking is not feasible.
**News Article:**

**Simple Star-Gazing Technique Could Guide Future Deep-Space Missions**

_By [Your Name Here] – The Hindu_

**Sept. 8, 2025 (IST):** Scientists have demonstrated a surprisingly simple navigation technique that could revolutionize how spacecraft find their way in the vast expanse of space, particularly for missions venturing far beyond the reach of Earth-based tracking.

Currently, missions like NASA’s New Horizons, which explored Pluto and the Kuiper Belt, rely on the Deep Space Network (DSN), a global network of radio antennas, to pinpoint their location. However, as spacecraft travel farther, communication signals weaken and delays increase.

A study published in *The Astronomical Journal* proposes using “stellar parallax” – the apparent shift in the position of nearby stars relative to distant background stars – to determine a spacecraft’s location. Researchers used observations of Proxima Centauri and Wolf 359, two of Earth’s closest stellar neighbors, taken by both Earth-based telescopes and the New Horizons spacecraft on April 23, 2020.

“By comparing the apparent positions of these stars from two drastically different viewpoints – Earth and New Horizons, roughly 7 billion kilometers apart – we can calculate the parallax angle and, consequently, the spacecraft’s distance,” explained Tod Lauer, lead author of the study.

The study found that the stellar parallax method provided a distance estimate for New Horizons that closely aligned with estimates derived from traditional radio-tracking methods.

While not immediately intended to replace existing tracking methods for current missions, the potential of this technique lies in its simplicity. It requires only a camera, a standard spacecraft computer, and a readily available catalog of star positions.

“For much deeper space missions, such as interstellar travel, where beacons are no longer usable, an extension of this method becomes very useful,” Coryn Bailer-Jones of the Max Planck Institute for Astronomy, and unaffiliated with the study, said.

Researchers are also exploring other advanced methods of space navigation, such as pulsar navigation, which relies on the precisely timed signals emitted by rapidly spinning neutron stars. The study’s authors suggest that the simple star-gazing method could serve as a way to kickstart or complement these, more complex techniques.

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