Astronomy Wrap-up

Front

What are solar prominences also known as?

Back

Filaments

Front

What layer of the Sun are prominences anchored to?

Back

Photosphere

Front

How long can prominences persist?

Back

Weeks or even months

Front

What can some prominences trigger?

Back

Coronal mass ejections

Front

What is the largest recorded length of a solar prominence?

Back

800,000 kilometers

Front

Who took the first photographs of prominences?

Back

Angelo Secchi

Front

What element was discovered in prominences by Pierre Janssen?

Back

Helium

Front

How do prominences appear when viewed against the darkness of space?

Back

Brighter than their surroundings

Front

What happens when a prominence breaks free from the Sun?

Back

It becomes a coronal mass ejection

Front

Why is the study of prominences important?

Back

To understand the Sun's activity and its influence on Earth