115292
| Question | Answer |
| What are the problems with using telescopes? | Light pollution from streets lamps, Air pollution such as dust particles reflect and absorb light |
| Why can we learn more about the universe as telescopes improve? | Improves magnification, so we can see further into space Improves detail and quality Allows photos to be taken, so you can analysis over time and see the change |
| What is a spectrometer? | A tool used to analyse the light given out by stars and galaxies |
| What is the LIFE-CYCLE of a star | 1) stars form from clouds of gas called NEBULAS 2) the force of gravity pulls the cloud of dust together 3) due to a temperature increase, hydrogen nuclei join together to form helium nuclei........ A lot of energy is given out- A star is born! 4) Eventually, the hydrogen in the core begins to run out, forming a RED GIANT 5) lastly, the star become unstable, it throws out a layer of dust and gas , so this leaves behind a hot, dense solid core , which cools down to form a WHITE DWARF (that's me :0 how rude) |
| What are the TWO pieces of evidence for the Big Bang Theory, | CMB radiation, and Red-shift |
| What is red shift? | Light from distant galaxies are moving away from us, it supports the big band theory by showing the whole universe is expanding |
| What are the two theory's of how the universe was created called? | The steady state theory and the big bang theory |
| What does cmb radiation stand for? | Cosmic microwave background radiation |
| Note: Scientists have detected low frequency electromagnetic radiation coming from.........turn over | Of the universe.....ooooooh |
| What is the most accepted theory? | The Big Bang theory |
| What is the smallest planet (not including Pluto) | Mercury |
| What is the biggest planet? | Jupiter |
| Which planet is furthest away from the sun? | Neptune |
| What is the name of our galaxy | The Milky Way.....I'm hungry now! ;) |
| What is a galaxy? | Group of stars |
| What does SETI stand for? | Search for ExtraTerrestrial Inteligence |
| What do scientists look for from outer space when searching for aliens? | Radio signals |
| What do space landers do? | Collect data about conditions ie.tempurature, take photos, collect soil/rocks |
Want to create your own Flashcards for free with GoConqr? Learn more.