space physics
Cards (33)
- What is at the center of our solar system?
- What does heliocentric mean?
- Name two dwarf planets that orbit the Sun.
- How is our solar system positioned within the Milky Way galaxy?
- What mnemonic helps remember the order of the planets?
- What are smaller planets primarily made of?
- What are larger planets primarily made of?
- Do all planets rotate at the same speed?
- Why do larger planets have rings?
- What was the initial model of the solar system called?
- What was a key feature of the geocentric model?
- What did Galileo observe that challenged the geocentric model?
- How does the velocity of a planet change as it orbits?
- What happens to a planet's speed as it moves closer to the Sun?
- What is the first step in the life cycle of a star?
- What causes the dust and gas cloud to become more concentrated?
- What happens to temperature and pressure as particles in the cloud get closer?
- What occurs when the pressure in the cloud becomes great enough?
- What is produced when hydrogen nuclei fuse together?
- What does the fusion process create?
- What balances the gravitational collapse of a star?
- What happens when a star runs out of gas to fuse?
- What occurs if a massive star collapses?
- What remains after a massive star's supernova?
- What remains after a normal-sized star's collapse?
- What does the change in speed of galaxies indicate?
- How can the expansion of the universe be visualized?
- What happens to the wavelength of light from a galaxy moving away?
- What happens to the frequency of light as the wavelength increases?
- What does red shift provide evidence for?
- What is cosmic microwave background radiation (CMB)?
- What happens to the wavelength of radiation as the universe expands?
- Why is the Big Bang model widely accepted?