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What are some distinctive features of our galaxy?
What are some distinctive features of our galaxy?
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How would you classify the Milky Way?
How would you classify the Milky Way?
Where are we located in the Milky Way Galaxy? Use the drawing tools to predict.
What are some distinctive features of our galaxy?
How would you classify the Milky Way?
Where are we located in the Milky Way Galaxy?
How could you describe the shape of the Milky Way when viewed from the side?
At the galactic center of almost every galaxy is a black hole. A black hole is a region of space packed with so much mass that its own gravity prevents anything from escaping—even light.
This is Sagittarius A*, the black hole in the center of the Milky Way Galaxy
How did scientists determine there was a black hole in the center of the Milky Way galaxy?
Use the website Black Holes: Sagittarius A* to help answer this question. Use the timeline scroll bar to see the changes.
Both Voyager missions included a "Golden Record," a photograph record that sounds and images selected to portray the diversity of life and culture on Earth to any extraterrestrial civilization that might encounter the probes. The record includes music, greetings in 55 languages, and 116 images, and its cover has symbolic instructions on how to play it.
What sort of things would you have included on the Golden Record for extraterrestrials?
What is the farthest man-made object from the Sun?
What does a light year measure?
What is the closest star to our solar system?
How long does it take light from the nearest star (besides the Sun) to reach us?
What type of stars are found closer to the galactic plane (flat disk of the galaxy)?
How long does it take light to travel across the entire Milky Way Galaxy?
If you would like to play with the animation, click here (Chrome required).
What sort of reaction did you have to the animation? What did it make you think about the size of the galaxy?
Our Milky Way, like many galaxies, is mostly flat.
Think about how a ball of dough can be spun to create pizza crust:
How is a flat galaxy like spinning pizza dough?
