The Outer Planets
Which outer planet has the great dark spot?
Neptune
What are comets?
Chunks of ice, dirty snowball, usually in orbit in space
What 2 things do we learn from a star's spectrum?
Chemical composition and temperature
Which star is hotter? A blue star or a red star?
True
What is the difference between meteors, meteorites, and meteoroids?
Meteors are streaks of light in the sky
Meteorites are meteors that hit the surface of Earth
Meteoroids chunk of rock in space
Name the visible lights in order of shortest wavelengths to longest wavelengths
violet, blue, green, yellow, orange, red
Most stars in the universe are in this stage of their life cycle.
the main sequence stage
Are there quasars in our solar system?
No, quasars are very distant objects, much farther away than anything else
What is the smallest of the Gas Giants?
Neptune
What shape is a comet's orbit?
very long and narrow ellipses
What are two types of visible light telescopes?
Refracting and Reflecting
What is on the X and Y axis of the H-R diagram?
X: surface temperature
Y: Brightness
What comes after Super Giant stage?
Supernova or White Dwarf
List one characteristic of each outer planet
Jupiter: biggest, great red spot, many colourful bands,
Saturn: rings
Uranus: 90 degrees axis, featureless,
Neptune: great dark spot, smallest, predicted before discovery
What is the difference between a comet and an asteroid?
Comet: ice and dust in space
Asteroid: pieces of rocks too small and numerous to be planets in between Mars and Jupiters
What are the waves present in an electromagnetic spectrum in order?
Radio, Infrared, Visible, Ultraviolet, X-Ray, Gamma
What is a parallax?
The apparent change in position of an object when looked at from different places
Protostar, main-sequence star (current phase), giant star, white dwarf, black dwarf.