3I/ATLAS, third interstellar comet, shows cracks under intense solar heat

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Imagem através do Telescópio Espacial Hubble do cometa interestelar 3IATLAS, mostrando sua cabeleira e uma cauda crescente

Imagem através do Telescópio Espacial Hubble do cometa interestelar 3IATLAS, mostrando sua cabeleira e uma cauda crescente - Foto: NASA/ESA/David Jewitt (UCLA)

The interstellar comet 3I/ATLAS registers signs of fragmentation due to intense solar heat. The object, discovered in 2023 by the ATLAS project, follows a hyperbolic trajectory and approaches perihelion in 2026. Observations indicate accelerated release of gases and cracks in the core.

Astronomers from observatories in Hawaii and Chile follow the phenomenon daily. The composition rich in volatile ice increases instability. The collaboration between NASA and ESA coordinates monitoring.

  • Spectroscopic analyzes identify rare organic molecules.
  • Telescopes record variations in brightness.
  • Data compare the comet with ‘Oumuamua and 2I/Borisov.

Origin beyond the solar system

3I/ATLAS traveled millions of years before entering the solar system. Its high speed confirms that it does not orbit the Sun.

The region of origin remains unknown. Studies point to formation outside the Oort cloud.

Different chemical composition

Spectroscopy reveals rare elements in the nucleus. Organic molecules indicate processes in distant systems.

Comparisons with local comets highlight variations in dust and volatile compounds. The structure supports thermal and gravitational pressures.

Nasa – Photo: Tada Images / Shutterstock.com

Signs of intense heating

Observations show accelerated sublimation of ice. Jets of gas emerge from the core.

Fissures expand rapidly. Perihelion occurs at the minimum distance from the Sun in 2026.

Thermal forces put pressure on the integrity. Monitoring is intensified with ground-based telescopes.

Possible fragments in space

The rupture can generate an extensive debris trail. Part of the fragments form meteor showers visible from Earth.

The risk of impact with planets is minimal. Hubble images capture details of the core.

Confirmed hyperbolic trajectory

The comet maintains escape speed from the solar system. Local gravity doesn’t capture it.

After perihelion, it leaves the solar neighborhood. The data helps understand the resistance of interstellar objects.

Monitoring with advanced telescopes

Land and space observatories increase surveillance. Weekly updates analyze the shine.

Equipment records material ejections. Variations in the nucleus guide predictions.

Predictions for the coming months

The approach accelerates structural changes. Partial fragmentation is already probable.

The observations focus on jets and ejecta. The data contribute to models of interstellar dynamics.

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