What limits spacecrafts from exploring space further?
|D)||the fact that we don't know what's out there|
What distinguishes the two types of rockets from each other?
|A)||the parts of space they explore|
|C)||the way they are designed|
|D)||the type of fuel they use|
Which planet did Galileo explore before it was crushed by its atmosphere?
What was the initial problem with the Hubble Space Telescope?
|A)||It is a reflecting telescope, and there was a problem with the mirror.|
|B)||It is a refracting telescope, and there was a problem with the mirror.|
|C)||It is a reflecting telescope, and there was a problem with the lens.|
|D)||It is a refracting telescope, and there was problem with the lens.|
Which country was able to put the first human in space?
The uses of active optics integrates a dependence on __________.
The destination of the space probe Cassini is __________.
What does it mean to talk about the frequency of electromagnetic radiation?
|A)||the distance waves travel in a certain amount of time|
|B)||the number of times a wave moves per unit of sound|
|C)||the distance a line travels in a certain amount of time|
|D)||the number of times a wave vibrates per unit of time|
What did NASA administrators particularly like about the space shuttle?
|A)||It would be cheaper to make, so it would cost less.|
|B)||It would be more accurate, bring back more data, and it would be more cost effective.|
|C)||It would be reusable, so it would cost less.|
|D)||Many countries would chip in, so it would cost less.|
Which U.S. project was the first to land a human on the Moon?
Space probes, unlike satellites, are able to __________.
|A)||travel out of the solar system|
|D)||go into orbit|
What is the name of the cooperative space station now being built?
|C)||International Space Station|
Which missions to Mars ended in failure?
|A)||Mars Global Surveyor and Polar Lander|
|B)||Sojourner and Pathfinder|
|C)||Mars Climate Orbiter and Pathfinder|
|D)||Mars Climate Orbiter and Polar Lander|
The use of adaptive optics integrates a dependence on __________.
What additional question are scientists exploring about the Moon?
|A)||Is the Moon habitable?|
|B)||Can we harvest soil from the Moon?|
|C)||Does the Moon have an atmosphere?|
|D)||Does water exist in the craters of the Moon's poles?|
Why can't astronauts hear each other in space without the use of a microphone?
|A)||because there's no such thing as sound in space|
|B)||because sound waves can't travel through empty space|
|C)||because outer space alters the astronaut's hearing|
|D)||because sound waves can't travel in space, far from Earth|
A modern application for a satellite is for __________.
|A)||gathering pictures of Earth's surface|
|B)||gathering scientific data|
|C)||all answers are correct|
|D)||transmitting radio and television signals|
When is the new space station expected to be operational?
|D)||It's operational now.|
Why are radio telescopes considered to be dependable telescopes?
|A)||because they use radio waves, which pass freely through Earth's atmosphere in any weather condition|
|B)||because they use radio waves, which do not pass freely through Earth's atmosphere due to unpredictable weather|
|C)||because they never run out of energy|
|D)||because they use radios to help various telescope's computers communicate with each other|
What is the difference between refracting and reflecting telescopes?
|A)||A reflecting telescope uses a convex lens to magnify an image, and a refracting telescope uses a mirror.|
|B)||A refracting telescope uses a mirror, and a reflecting telescope uses a concave lens to magnify an image.|
|C)||There is no difference.|
|D)||A refracting telescope uses a convex lens to magnify an image, and a reflecting telescope uses a mirror.|