What happens to the visible light radiated by stars located within a dusty gas cloud?
A) It is blocked by dust and its energy is thereby lost.
B) It is absorbed by dust, which heats the dust grains so that they emit the absorbed energy as infrared light.
C) It is reflected by dust back to the star from whence it came.
D) It passes through the cloud unaffected.
Question 2
When a comet passes near the Sun, part of it takes on the appearance of a large, bright ball from which the tail extends. This part is called
A) the nucleus.
B) the coma.
C) the plasma tail.
D) the Oort core.
Astronomers identified 12-billion-year-old white dwarf stars only 100 light years away from Earth
The Kuiper Belt and Oort Cloud
Trapping of Light by a Black Hole
Cloud Types: Vertical Development
Growth of Cloud Droplets
Apply oil or lotion to the entire leg with effleurage. Use light to medium pressure to warm ...