Centaurus A

High school (ages 12+)
Space & Astronomy

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Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/centaurus-a

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. How heavy is Centaurus A?Approximately 55 million solar masses, based on stellar and gas dynamics
2. What is Centaurus A?Centaurus A is a nearby galaxy that has a huge black hole at its center and a bright, dusty lane across its middle.
3. Why does Centaurus A have a dust lane?The dust lane is the result of a big collision between a spiral galaxy and a larger elliptical galaxy, which mixed their dust and gas.

Synchrotron Radiation: Electromagnetic radiation emitted when charged particles are accelerated by magnetic fields, common in relativistic jets.
Accretion: The process by which matter falls onto a celestial body, such as a star or black hole, due to gravity.
Relativistic Jets: Collimated streams of plasma ejected at speeds close to the speed of light from the vicinity of compact objects like black holes.