Sagittarius A The Black Hole At Our Galaxys Heart

2 imagenes, 8 preguntas, 1 dato, 1 encuesta sobre Sagittarius A The Black Hole At Our Galaxys Heart en ARTi.

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Imágenes

teacher By studying stellar orbits, scientists calculated that Sagittarius A* is four million times heavier than our Sun.

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Tracking the stars that dance in the dark

teacher Astronomers proved the black hole's existence by tracking stars orbiting an invisible object at blistering speeds.

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Fun Facts

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Fun Fact

Sgr A* name: The asterisk in Sagittarius A* was inspired by chemistry, where an asterisk denotes an excited atom.

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Quizzes

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Quiz

Which star was tracked for decades to prove Sagittarius A*'s gravity?

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Quiz

Who co-discovered the radio source Sagittarius A* in 1974?

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Quiz

What does the asterisk (*) in the name Sagittarius A* represent?

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Quiz

In which constellation does the center of our galaxy lie?

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Quiz

How many times heavier than our Sun is Sagittarius A*?

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Quiz

What percentage of the speed of light does the star S-2 reach at its closest approach to Sagittarius A*?

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Quiz

The diameter of Sagittarius A* would easily fit inside the orbit of which planet?

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Quiz

For what discovery did Andrea Ghez and Reinhard Genzel win the 2020 Nobel Prize in Physics?

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Gossip

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Gossip

If you could safely visit Sagittarius A*, would you go?

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