Mmastodon ScienceScience first seen 2 d ago, last 2 d ago, peak #5

Comet Tsuchinshan-ATLAS heads back to the outer solar system

Original: Comet C/2023 A3 Tsuchinshan-ATLAS is currently transitioning into the outer solar system after reaching perihelion. Orbi

Comet C/2023 A3 Tsuchinshan-ATLAS has passed its closest approach to the Sun and is now moving back into the outer solar system. Orbital analysis indicates it is a long-period comet from the Oort Cloud on a highly eccentric trajectory, and it will continue receding as astronomers track its departure.

Why now: Skywatchers and amateur astronomers are following the comet's post-perihelion fade and departure from the inner solar system.

Comet C/2023 A3 Tsuchinshan-ATLASOort Cloud

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Rank over time, top of the chart is #1. 3 snapshots from 2 d ago to 2 d ago.

Evidence

• Comet C/2023 A3 Tsuchinshan-ATLAS is currently transitioning into the outer solar system after reaching perihelion. Orbital analysis indicates this long-period comet originates from the Oort Cloud, characterized by a highly eccentric trajectory. As it recedes from the Sun, its… · admin@science.social · 1

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