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Astronomy Less
Astronomy
Question | Answer |
---|---|
The theory of the solar system that says that everything revolves around the sun | Heliocentric Theory |
What type of maker developed the telescope? | Lens Maker |
What kind of orbit do heavenly bodies move | Elliptical |
What is the time period of the moon's orbit around the Earth? | 1 month |
What Earth revolves around what? | the Sun |
What type of calendar is based upon the Earth's orbit around the sun? | Solar Calendar |
What type of telescope uses lenses to bend light into an image? | Refractive |
The day is based upon one ______ of the Earth. | Rotation |
Who invented the reflecting telescope? | Newton |
Where do scientists build telescopes to minimize city lights and atmospheric interferences? | Satellites or mountains |
Does the Earth remain at a constant distance from the Sun throughout the year? | No |
What did Galileo discover by Jupiter? | Four moons |
Hubble discovered that the galaxy's size is what? | Increasing |
What type of telescopes detect unseen light waves? | Radio |
What are the three types of calendars? | Solar, Lunar, Solar-Lunar |
What is the area of intense pressure and density called? | Singularity |
What were the first atoms? | (H)Hydrogen, (He)Helium |
Who discovered that galaxies are moving away from each other? | Hubble |
How old is the universe? | 13.7 billion |
The outer planets were formed by the accretion of what? | Ice |
What does the sun's heat cause in the solar system? | Gradient |
What is the red shift? | As galaxies move from each other, there is an increase in the wavelength of their color. |
What is the process called in which the planets were formed? | Accretion |
A cloud of gas and dust is called what? | Nebula |
What created the craters of the inner planets? | Meteors |
What kind of molecules will sink to the core of a planet during differentioation? | Heavy molecules |
Jupiter is similar to the Sun, but will never become a star. Why? | Because it's 10 times too small |
How old is the solar system? | 406 billion years |
How did the Earth get water? | Meteors |
Where did the asteroid belt come from? | Jupiter's gravity |
How much would a 180 pound person weigh on the moon? | 30 pounds |
The main part(darkest part) of Earth's shadow is called | Umbra |
A New moon occurs during? | The afternoon |
What causes the tides? | The moon's gravity |
Two things the moon does not have | Water and Atmosphere |
When was the moon born? | 4.6 bya |
When the moon is moving from new to full, it is increasing in size and called ? | waxing |
Neap tides are weak tides and occur in which phase of the moon? | half |
What phase of the moon will cause the highest tides? | New |
Why do we only see one side of the moon? | Rotates and revolves at the same speed |
Is "the dark side" of the moon always dark? | No |
planet with the longest orbit | Neptune |
Planet with the fastest rotation | Jupiter |
The hottest planet | Venus |
Planet(s) with the fastest winds | Saturn/Neptune |
Planet the has the Great Dark Spot | Neptune |
Planet with the widest range of surface temperatures | Mercury |
Planet that has red soil | Mars |
Planet that has ice and vapor but no liquid water | Mars |
Planet that has a horizontal rotation | Uranus |
Planet that has a retrograde rotation | Venus |
Planet that was originally thought to be a star | Uranus |
Least dense planet | Saturn |
This planet has colored belts and zones | Jupiter |
This gas planet has no internal heat source | Uranus |
This planet has no atmosphere | Mercury |
This is the smallest planet | Mercury |
These planets atmosphere's are mostly methane | Uranus/Neptune |
This planet's rotation takes longer than its revolution. | Venus |
This is the largest plant | Jupiter |
Why does Mars have such large volcanoes compared to Earth? | No Plates |
Why does Mercury get so cold at night? | It has no atmosphere |
Why is Uranus colder than Neptune? | It has no internal heat |
Why was Venus called our "sister" planet? | It looks similar |
What did people in the 1700 and 1800's believe about Venus | That it had people on it |