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Ars Technica

Ars Technica

Supermassive black hole binary emits unexpected flares

Ars Technica
Summary
Nutrition label

79% Informative

AT 2021hdr is a binary supermassive black hole system in a galaxy 1 billion light-years away.

Astronomers saw strange outbursts that were flagged by NASA 's Zwicky Transient Facility .

Repeating flares soon ruled that out.

They then compared observations made in 2022 to simulations of a tidal disruption of a gas cloud.

VR Score

83

Informative language

84

Neutral language

44

Article tone

informal

Language

English

Language complexity

51

Offensive language

not offensive

Hate speech

not hateful

Attention-grabbing headline

not detected

Known propaganda techniques

not detected

Time-value

long-living

Source diversity

2

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