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Astronomers Investigate an Unusually Bright Afterglow

The angle of view may explain why a modest flash was followed by a bright glow.

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Science news editorial illustration for Sideways View May Explain Cosmic Burst’s Bright Afterglow

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a 260310A on 10. The , but its .

An that was the of the . As the , be from a of . The is a of the .

Source: University of Rome Tor Vergata via Phys.org, 2026-10-29.

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Read and understand · 1/2What did NASA’s Fermi telescope detect on March 10?

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A gamma-ray burst. Fermi detected the gamma-ray burst named GRB 260310A.

Clue: NASA’s Fermi telescope detected a gamma-ray burst called GRB 260310A on March 10. The initial flash appeared modest, but its visible-light afterglow became extremely bright.

Read and understand · 2/2What do researchers suggest about the jet?

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Its main direction was away from Earth. The team suggests Earth was outside the jet’s main direction.

Clue: An international research team suggests that Earth was outside the main direction of the burst’s jet. As the jet slowed, light could be seen from a wider range of angles. The explanation is a scientific interpretation of the observations.

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Describe the difference between the initial flash and the afterglow, and state the proposed viewing angle.

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The initial flash seemed modest, but the afterglow became extremely bright. Researchers suggest Earth was outside the main direction of the jet.

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