Universe🌌

Observing the First Billion Years

Observing the First Billion Years

Knowledge Ark · Universe · Chapter 02 / Article 10 Observing the first billion years Ancient light is arriving now. By gathering it, separating its wavelengths, and reading what is...

Observing the First Billion Years

Knowledge Ark · Universe · Chapter 02 / Article 10 Observing the first billion years Ancient light is arriving now. By gathering it, separating its wavelengths, and reading what is...

Active Galactic Nuclei in the Young Universe

Active Galactic Nuclei in the Young Universe

Knowledge Ark · Universe · Chapter 02 / Article 09 Active galactic nuclei in the young universe Some early galaxies shone from their centers with extraordinary power. Their light reveals...

Active Galactic Nuclei in the Young Universe

Knowledge Ark · Universe · Chapter 02 / Article 09 Active galactic nuclei in the young universe Some early galaxies shone from their centers with extraordinary power. Their light reveals...

Galaxy Clusters and the Cosmic Web

Galaxy Clusters and the Cosmic Web

Knowledge Ark · Universe · Chapter 02 / Article 08 Galaxy clusters & the cosmic web Beyond individual galaxies lies a changing network of matter: dense clusters, connecting filaments, broad...

Galaxy Clusters and the Cosmic Web

Knowledge Ark · Universe · Chapter 02 / Article 08 Galaxy clusters & the cosmic web Beyond individual galaxies lies a changing network of matter: dense clusters, connecting filaments, broad...

Merging and Hierarchical Growth

Merging and Hierarchical Growth

Knowledge Ark · Universe · Chapter 02 / Article 07 Merging & hierarchical growth How smaller systems become part of larger ones—and why a galaxy’s history includes both inherited stars...

Merging and Hierarchical Growth

Knowledge Ark · Universe · Chapter 02 / Article 07 Merging & hierarchical growth How smaller systems become part of larger ones—and why a galaxy’s history includes both inherited stars...

Feedback Effects: Radiation and Winds

Feedback Effects: Radiation and Winds

Knowledge Ark · Universe · Chapter 02 / Article 06 Radiation, winds & the next stars How the first luminous sources changed the gas around them—and helped decide where another...

Feedback Effects: Radiation and Winds

Knowledge Ark · Universe · Chapter 02 / Article 06 Radiation, winds & the next stars How the first luminous sources changed the gas around them—and helped decide where another...

Primordial Supernovae: Element Synthesis

Primordial Supernovae: Element Synthesis

Knowledge Ark · Universe · Chapter 02 / Article 05 Primordial supernovae What the first stellar explosions made, what they scattered, and how their chemical traces survive in later stars....

Primordial Supernovae: Element Synthesis

Knowledge Ark · Universe · Chapter 02 / Article 05 Primordial supernovae What the first stellar explosions made, what they scattered, and how their chemical traces survive in later stars....