Urban Centers Drift Across Cosmic Vastness
For four billion
years, the Universe’s clock has ticked since its inception. During this cosmic
journey, Earth, Mars, and other planets endured relentless meteorite
bombardment. These space rocks, remnants of the solar system’s birth,
congregated in the asteroid belt—a region nestled between Mars and Jupiter.
From pebbles to the colossal Ceres (measuring 950 kilometers in diameter),
these celestial wanderers drift through vast distances.
Asteroids
provide important information about how planets and other celestial bodies may
have formed.
Despite
occupying a vast orbit, the asteroid belt constitutes only 1% of Earth’s mass.
Yet, occasional collisions propel debris across the solar system. Mars, in
close proximity, bears the brunt. Meanwhile, meteors continue their cosmic
ballet, drawn by gravitational fields or veering into distant orbits.
These asteroids
harbor both promise and peril. While they hold clues to our cosmic origins,
they also pose a threat. Astronomical calculations predict a future collision
with Earth, akin to the cataclysmic events that eradicated the dinosaurs. To
safeguard our planet, programs track nearby asteroids and devise preventive
measures—detonation or course alteration—to avert disaster.
The position of the asteroid belt between Mars and Saturn
Asteroids, often
overlooked, harbor hope and intrigue for Earth’s future. They serve as valuable
archives, potentially containing the organic materials that sparked life on our
planet. As humanity eyes distant planets, the need for space cities—transit hubs—becomes
apparent. These ambitious projects, lacking Earth-sourced materials and facing
exorbitant transport costs, turn to the asteroid belt, approximately 320
million kilometers from the sun.
Around 50,000
asteroids await repurposing as raw construction materials for these space
cities. Their current economic insignificance will transform as they become the
building blocks of our cosmic outposts. Engineers envision hollowing out
suitable asteroids, propelling them into orbits near the sun using jet engines,
and constructing cities within their cavernous interiors. Konstantin
Tsiolkovsky’s words echo: “One day, we will learn to ride asteroids as we ride
horses now.”
Leading space
institutions meticulously track asteroids, aiming to study and sample them.
Japan’s Hayabusa 2 probe, launched in 2014, rendezvoused with the Ryugu
asteroid[1],
returning samples to Earth in 2019. These precious specimens may reveal
insights into life’s origins. Meanwhile, asteroid 101955 Bennu, discovered in
1999, looms as a potential collision threat[2].
NASA’s OSIRIS-REx mission recently collected surface components from Bennu for
analysis.
NASA's
OSIRIS-REx Spacecraft Captures a Sample of Asteroid Bennu
Scientists
anticipate discovering carbonates in the collected samples—a substance
transported by river waters on Earth’s surface as limestone rocks erode and
settle in ocean depths.
Spectral
readings from Osiris-REX’s samples reveal unexpected carbonate deposits,
hinting at Bennu’s past. Perhaps the original celestial body, from which Bennu
separated, boasted an intricate river network spanning kilometers. Water may
have seeped through surface cracks, leaving behind these telltale traces[3].
Further
investigations, including a gravity study by the University of Colorado, unveil
significant structural variations within Bennu. Notably, the asteroid harbors a
voluminous cavity—potentially accommodating multiple football fields. This
discovery rekindles hope that asteroids could serve as future space cities for
Earth’s intrepid migrants.
In contemplating the grand design of the cosmos, we discern a profound
truth: the One who granted dominion over Earth to humanity, enabling us to
thrive and multiply, has also laid a celestial path. Among the stars, these
waystations—asteroids—await our attention. With modest adaptations, they could
serve as temporary abodes for our journey to other promising planets. This
cosmic vision resonates with the wisdom found in the holy Quran, Surah Luqman,
verse 20 (31:20):
“Do you not perceive that Allah has made all that is in the heavens
and on Earth subservient to you? His blessings, both evident and concealed,
abound. Yet some dispute without knowledge, lacking guidance or an illuminating
scripture”.
[1] . NASA, solar system
exploration, MISSIONS › HAYABUSA 2.
[2] . The Palermo
Technical Impact Hazard Scale is a logarithmic scale used by astronomers to
assess the risk of future collision of near-Earth objects (NEOs).
[3] . VICTOR TANGERMANN,
NASA Spacecraft Finds Evidence of Ancient Rivers on Asteroid, Futurism, OCTOBER
8TH 2020.
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