Space Exploration Flashcards
Parts of the electromagnetic spectrum such as x-ray and gamma rays have what type of wavelengths and frequencies?
Short wavelengths
High frequencies
Parts of the electromagnetic spectrum such as Radio and microwave have what kind of wavelengths and frequencies?
Long wavelengths
Low frequencies
How does a refracting telescope work?How far does it’s see?
By collecting visible light through to convex lenses
It doesn’t see far
How does a reflecting telescope work?
How far can at sea?
It has won a concave mirror and collects visible light
It can see far
How does a radio telescope for work? How far does it see?
It collects radio waves and some microwaves through a big dish
It can see 10,000,000,000 light years away
How does a spectroscope work? And what is it used for?
It Bends visible light through a diffraction grating
it shows you the composition of elements and gases
What does diffraction mean?
Bend
Every element has its own ____
Spectrum
What is a natural satellite?
A smaller body that is in orbit around a bigger body but it is not man-made
What is an artificial satellite?
A man-made smaller body that usually orbits Earth
What are artificial satellites used for?
Weather TV satellites spies maps and communications
What is a probe?
It gets launched into the solar system on a rocket to take pictures, soil samples, temperatures, and a uses a spectroscope to see what gases are there
Name the time, characteristics, and goals of the mission mercury
1960s
One man capsule
orbit Earth and bring them back alive
name the time, characteristics, and goals of the mission Gemini
1960s
Two man capsule
Connect with another spacecraft and spacewalk
Name the time, characteristics, and goals of the mission Apollo
1969 to 1972
Capsule for three
Land on the moon
Name the time, characteristics, and goals of the mission Skylab
1973 to 1979
It was living and working long term in space
Perform experiments in space
Name the time, characteristics, and goals of the Hubble space telescope
1990-present
It’s a reflecting telescope that is outside of the earths atmosphere
To take pictures
Name the time, characteristics, and goals of the international space station
1990-present
Space station that is living and working in space
Space station
What is rotation?
When something spins on its axis
What is revolution?
When something orbits or goes around something
What produces earths magnetic field?
Earths rotation along with the iron outer core movement
What distorts earths magnetic field?
Solar winds
Why do we always see the same side of the moon?
The moon rotates and revolves at the same speed
List the moon phases
New waxing crescent first quarter waxing gibbous full moon waning gibbous last quarter waning crescent
What eclipse has to have to the sun earth and moon in the same plane
Lunar
What eclipse last for about 7 minutes
Solar
Explain the “man in the moon”
Light gets reflected off of the craters mountains and seas (Maria)
Does the moon have and atmosphere?
No
Does the moon experience erosion?
No
Does the moon have gravity?
Yes but 1/6 of earths
What were the “spirit and opportunity”
Robotic rovers on Mars
What is a solar probe?
A probe that orbits the sun in order to collect data about the Suns hazards
How did the Greeks know the earth was round?
The lunar eclipse shadow was curved
