National Aeronautics and Space Administration
Goddard Space Flight Center
Imagine the Universe!
Home
Science
Astronomer's Toolbox
Cosmic Objects
Big Questions
Featured Science
Observatories
Special Exhibits
Scientist Profiles
You Be the Astrophysicist
The Cosmic Distance Scale
Educators' Corner
Lesson Plans
Materials
Programs
Ask an Astrophysicist
Resources
Other Resources
Dictionary
Search
Astronomer's Toolbox
Black Holes: Quiz
Black Holes Quiz
What would change if our Sun was suddenly replaced by a black hole of the same mass?
[A] Earth would be sucked into the black hole
[B] The planets would no longer have the same orbit
[C] Only the temperature on Earth would change
Scientists only began to speculate on the existence of black holes in the twentieth century.
[A] True
[B] False
If a space probe could be sent into a black hole, it could transmit images back to Earth.
[A] True
[B] False