Waves And The Universe Flashcards
What is a space probe
An unmanned spacecraft which orbits planets or moons, can take pictures
What is a space lander
Unmanned vehicle which lands on the surface of a planet or moon, has cameras and samplers
What is a space rover
Unmanned vehicle with wheels and an engine meaning it can move,take samples, take pictures and uses solar power
What is SETI
Search for other intelligent life forms by decoding messages, they search for radio waves from space for communication
What is the life cycle of a Average star?
Cloud of gas Protostar Average star Red giant Shell of gas White dwarf
Life cycle of a massive star
Cloud of gas Protostar Massive star Red supergiant Supernova Neutronstar/Black hole
Give a advantage to a space probe
Allows to map terrain
Cheapest
A disadvantage of a space probe
Can’t land or send samples
Advantage of a lander
Allows to take pictures
Can take samples
Can land
Disadvantage of a lander
Can’t move once landed
Advantage of a rover
Can land, move and take pictures and samples
Disadvantage of a rover
Very expensive, of the landing goes wrong it’s unusable
What is a spectrometer?
Used to investigate light from the sun and other stars
What is fusion
When the nuclei of two atoms join together and release energy
Eg hydrogen and helium
What is a red supergiant
Star that used up all the hydrogen in its core and has a mass much bigger than the sun
