Question

Define observable universe​

Answer 1

Answer:

the process by which green plants prepare their own food is called photosynthesis

Answer 2

The observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time, because the electromagnetic radiation from these objects has had time to reach the Solar System and Earth since the beginning of ...

Radius: 46.508 billion light years

Radius: 46.508 billion light yearsDensity: 9.9 × 10^-24 kg/m³

Radius: 46.508 billion light yearsDensity: 9.9 × 10^-24 kg/m³Age: 13.799±0.021 billion years

Radius: 46.508 billion light yearsDensity: 9.9 × 10^-24 kg/m³Age: 13.799±0.021 billion yearsVolume: 3.566×1080 m3

Radius: 46.508 billion light yearsDensity: 9.9 × 10^-24 kg/m³Age: 13.799±0.021 billion yearsVolume: 3.566×1080 m3Contents: Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy (68.3%);

Radius: 46.508 billion light yearsDensity: 9.9 × 10^-24 kg/m³Age: 13.799±0.021 billion yearsVolume: 3.566×1080 m3Contents: Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy (68.3%);Average temperature: 2.72548 K

Radius: 46.508 billion light yearsDensity: 9.9 × 10^-24 kg/m³Age: 13.799±0.021 billion yearsVolume: 3.566×1080 m3Contents: Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy (68.3%);Average temperature: 2.72548 KDensity (of total energy): 9.9×10−27 kg/m3 (equivalent to 6 protons per cubic meter of space)

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