If a Supernova Was First Seen in the Year of Christ's

question 249

Multiple Choice

If a supernova was first seen in the year of Christ's birth (the Star of Bethlehem?) and its distance from Earth was 3 kpc,approximately when did the supernova actually explode?

• A) 10 b.c.
• B) 3000 b.c.
• C) 3 b.c.
• D) 10,000 b.c.

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Definitions:

Subduction Zones

Regions of the Earth's crust where one tectonic plate moves under another, leading to volcanic activity and earthquakes.

Mantle Upwellings

The upward movement of the Earth's mantle material, which can lead to volcanic activity and the formation of new crust at mid-ocean ridges.

Continental Collisions

The process where two or more continental plates converge, leading to mountain building, seismic activity, and crustal deformation.

Erosional Remnant

A landform left standing after the surrounding terrain has been eroded away, often showcasing resistant geologic features.