2 pt 3 pt 4 pt 5pt 1 pt 2 pt 3 pt 4 pt 5 pt 1 pt 2pt 3 pt 4pt 5 pt 1pt 2pt 3 pt 4 pt 5 pt 1 pt 2 pt 3 pt 4pt 5 pt 1pt Astronomy Vocab StarsPlanets Weather & Atmosphere Hodgepodge
Solar wind causes this to develop on a comet.
What is the tail?
The arrangement of electromagnetic radiation according to wavelengths.
What is the electromagnetic spectrum?
A group of stars, gas and dust held together by gravity.
What is a galaxy?
An object so dense that nothing including light can escape its gravity field.
What is a black hole?
Small pieces of rock moving through space enter Earth’s atmosphere and burn up.
What is a meteor?
Stage that follows the stable state for most stars.
What is giant?
About 90% of stars in space are in this stage.
What is the stable state (main sequence)?
Actual or true brightness
What is luminosity?
How bright the star appears to an observer on Earth.
What is apparent magnitude?
Luminosity of stars if seen from the same distance.
What is absolute magnitude?
Jovian planets
What is Uranus, Neptune, Jupiter, and Saturn?
Terrestrial planets
What is Mercury, Venus, Earth and Mars.
This planet is very hot due to the greenhouse effect.
What is Venus?
The point in the planet’s orbit nearest to the sun.
What is perihelion?
Four Galilean satellites.
What is Io, Europa, Ganymede, and Callisto?
Lines on a map connecting places with the same temperature.
What are isotherms?
We reach the highest temperature of the day during this time period.
What is late afternoon?
Atmosphere is divided into layers based upon this.
What is temperature?
Temperature at which vapor condenses.
What is the dew point?
Two greenhouse gases.
What is carbon dioxide and water vapor.
Horse Latitudes and Doldrums.
What are examples of pressure belts?
Type of precipitation that forms when raindrops fall through the freezing air and turn into ice pellets.
What is sleet?
Causes winds to be turned to the right in the Northern Hemisphere.
What is the Coriolis effect?
Clouds that form in unstable air.
What is cumulus?
Give three examples of wind belts.
What are the trade winds, prevailing westerlies, and polar easterlies.