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
Multiwavelength Quiz Level 1
Multiwavelength Astronomy Quiz
Telescopes sensitive to infrared, ultraviolet, X-ray and gamma-ray wavelengths are placed in space because:
[A] The Earth's atmosphere mixes the signals of the different wavelengths together.
[B] It is necessary to be above the Earth's atmosphere, which absorbs light at these wavelengths, to make such observations.
[C] Space-based telescopes are less expensive to build and operate.
[D] There is no room on the ground.
Objects that are __________ emit __________ radiation.
[A] round, all
[B] cooler, more
[C] vibrating, no
[D] hot, more energetic
Large amounts of X-ray radiation is typically emitted by
[A] supernova remnants as they cool
[B] cold interstellar gas
[C] Superman
[D] the planet Mercury
