How do stars form? Describe each step it goes through.
When a source of light is moving away from us....
Its light is shifted towards the red end of the spectrum. What effect is this called?
Tell me about the Big Bang Theory..
Tell me about the Steady State Theory...
Tell me about CMB....
What do the Steady State and Big Bang Theory have in common? And what supports them both?
What is the Doppler Effect?
What does the pitch depend on?
What happens to the sound waves behind a moving sound source?
What effect is the Doppler similar to?
What did ancient astronomers do?
What did these ancient astronomers work out?
What is the name of patches of fuzzy light in space?
What is the band of light in space called?
What do all galaxies make up?
Light from the Sun is a mixture of different colours forming a...
To investigate light from the Sun you can use a simple...
What did early telescopes let people see?
What do modern telescopes do?
What can spectrometers be attached to? And what can they be used to do?
What can the Hubble Space Telescope do? And why?
In 1976 what happened?
What did these Viking Landers do?
What is SETI? And what do they do?
What is a nebula?