If H Equals 70 Km/sec/Mpc, Then a Galaxy with a Radial

question 111

Multiple Choice

If H equals 70 km/sec/Mpc, then a galaxy with a radial velocity of 2100 km/sec has a distance of approximately

• A) 2170 Mpc
• B) 2030 Mpc
• C) 30 Mpc
• D) 0.03 Mpc
• E) 147,000 Mpc

---

Definitions:

Debris Flows

Rapid downhill movement of water-saturated soil, rocks, and vegetation, often triggered by heavy rainfall or rapid melting of snow.

Composite Volcanoes

Volcanoes characterized by explosive eruptions and composed of layers of volcanic ash, lava, and rocks.

Subduction

The process where one tectonic plate moves under another and sinks into the Earth's mantle, often associated with volcanic activity and earthquakes.

Oceanic Plate

A section of the Earth's lithosphere that exists beneath the oceans, thinner than continental plates but denser, formed at mid-ocean ridges.