History
Who suggested the FIRST heliocentric model of the solar system?
Aristarchus
The recoil from a cannon firing is a demonstration of Newton’s
Third Law of Motion
The distance between two peaks on a wave is also known as the wave’s
wavelength
Refraction occurs when light passes through
two media
Which scientist built the first known reflecting telescope?
Isaac Newton
Where is the Sun Dagger sculpture located?
Chaco Canyon
A light wave with higher amplitude will appear
More intense
Electromagnetic waves arise from vibrations of
charged particles
Which satellite was the FIRST successful American satellite in space?
Explorer
Where are infrared detectors placed in infrared telescopes?
focus of the primary mirror
Observers on Earth can see retrograde motion if the planet differs from Earth in
length of year
Compared to blue light, red light has a
longer wavelength
Objects at higher temperatures will emit thermal radiation with
shorter wavelengths
Which astronomical body was the FIRST studied using radio waves?
Milky Way galaxy
What term refers to telescopes that detect ultraviolet, x-rays, and gamma rays?
high-energy telescope
Which of the following planets has the LARGEST semi-major axis length?
Saturn
What produces all light in the electromagnetic wave spectrum?
Vibrations of charged particles
What new temperature does an object have if its peak wavelength decreases from λ at temperature T to 1/4λ?
4 T
Compared to conventional reflecting telescopes, Cassegrain telescopes have improved
size and form
What countries collaborated on the Stratospheric Observatory for Infrared Astronomy?
US and Germany
Under the Ptolemaic model, which phase should Mercury exhibit?
crescent
The International Space Station (ISS) orbits approximately 250 miles from Earth’s surface. The diameter of Earth is approximately 8000 miles. To calculate the force of gravity between the ISS and Earth, the separation, r, between the two objects is equal to (in miles)
4250 miles
Which of the following scientists demonstrated the composition of sunlight using a prism?
Isaac Newton
Which wave type is intermediate in wavelength between microwaves and visible red light?
infrared
Which of the following observatories’ telescope can detect radiation with a wavelength of 100 m?
Arecibo Observatory’s