Astronomy Unlocked: Nov. 20, 2025
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Galaxies
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Observing Basics
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Author:
Samantha Hill
Science
Snapshot: JWST performs “stellar autopsy” on Cassiopeia A
Robotic Spaceflight
,
Solar System
Martian regolith mixture could prove stronger than concrete
Science
,
Solar System
A volcano may have erupted on Venus in 1991
Human Spaceflight
Sporty new spacesuits revealed for Artemis 3 Moon mission
Robotic Spaceflight
,
Solar System
Snapshot: Feather-shaped cloud soars over Mars
Exotic Objects
,
Stars
Snapshot: Tattered remains of first recorded supernova captured in new image
Solar System
Watch: Meteorite strikes Earth when and where scientists predicted it would
Stars
Snapshot: Blue stars steal the show in NGC 2031
Stars
James Webb targets nearby nebula bursting with star formation
Human Spaceflight
Astronaut vest built to combat space radiation returns to Earth
Solar System
Snapshot: Frost-covered sand dunes decorate Mars’ north pole
Stars
Snapshot: JWST finds stars on the edge of formation
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