Exam revision
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| show | William Herschel
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| A star that regularly changes it brightness is called a | show 🗑
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| show | The Goldilocks zone
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| show | 21st March
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| Do exoplanets orbit the sun? | show 🗑
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| What does the aurora borealis appear as to the naked eye? | show 🗑
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| What does an artificial satellite appear like to the naked eye? | show 🗑
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| What does a a fireball appear like in the night sky. | show 🗑
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| What does a start with an apparent magnitude of +5 appear like to the naked eye? | show 🗑
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| Which planet orbits the sun in the shortest time? | show 🗑
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| Which gas giant orbits nearest to Kuiper's belt? | show 🗑
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| show | Venus
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| show | Venus
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| show | Rille
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| Which feature on the moon? A Highland area. | show 🗑
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| Which feature on the moon? A smooth dark plane. | show 🗑
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| show | More craters, more mountains.
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| show | 5K
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| Describe a method for using a telescope to view sunspots safely. | show 🗑
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| show | The Moon
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| Which object in the Solar System out of the Earth, Mars, Mercury and the Moon is closest to the Sun? | show 🗑
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| show | Pluto
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| What is the name of the dwarf planet that orbits closest to the Sun. | show 🗑
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| show | 15,000.000 km
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| What is the name of the Earths orbit around the Sun? | show 🗑
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| What is the name plane of the Earth's orbit around the sun? | show 🗑
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| show | 23 hours and 56 minutes
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| show | 27.3 days
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| show | Full moon
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| show | Neptune and Jupiter, Saturn
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| Which planet has two small satellites that astronomers believe are captured asteroids? | show 🗑
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| show | Extremely high temperatures. High Concentration Co2
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| A student is observing Polarus, which direction would they be looking? | show 🗑
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| State the declination of Polaris. | show 🗑
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| What is the angle of elevation of Polaris if the student is observing from 55 degrees N? | show 🗑
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| show | Stars that do not set from Earths Vantage point.
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| Would a star that is +60 degrees be circumpolar from 55 degrees latitude? | show 🗑
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| Describe the appearance of sunspots. | show 🗑
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| Name a suns feature that an Astronomer might observe. | show 🗑
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| Does a H-filter improve the astronomer's observations of sunspots? | show 🗑
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| show | Galileo concluded that the Earths rotation carries the sunspots around. Observing the sunspots enables the observer to calculate the suns rotation period.
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| Describe the appearance of aurorae. | show 🗑
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| Explain the connection between aurorae and solar winds. | show 🗑
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| Where is the origin of most short-period comets? | show 🗑
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| show | radiant of the shower
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| show | Persius
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| show | A fire ball is exceptionally large and bright whereas a large meteoroid has a magnitude of _3.
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| What is the approximate diameter of our galaxy? | show 🗑
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| show | 1. Astronomers look for small wobbles in the position of a star.
2. Look for radial velocity meths - doppler shifts in stars.
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| Explain why Astronomers find it difficult to detect individual planets. | show 🗑
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| Name the Space mission that visited Mars on the 20th July 1976. | show 🗑
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| State two problems that Astronauts are likely to face during a manned expedition. | show 🗑
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| show | A binary star is physically close and gravitationally associated. An optical double star is in line of site but only appears close together,
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| Name one major source of light pollution. | show 🗑
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| Which Greek Geographer and Mathematician calculated the circumference of the Earth. | show 🗑
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| show | Alexandria and Syene
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| Which city that Eratosthenes used to calculate the e circumference of the Earth is on the Tropic of Cancer? | show 🗑
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| What day did Eratosthenes measure the position of the sun to look at the different shadows when calculating the e circumference of the Earth. | show 🗑
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| What was the angle of the shadow between Syene and Alexandria? | show 🗑
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| show | The angular distance of a place east or west of the Greenwich meridian usually expressed in degrees and minutes.
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| Define latitude | show 🗑
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| Define the electromagnetic spectrum | show 🗑
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| Name the electromagnetic spectrum in order of wave lengths | show 🗑
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| show | Radio waves will penetrate dust in spiral arms. Visible light is unable to penetrate dust.
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| Give three facts about Cosmic Microwave Background radiation. | show 🗑
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| Describe how astronomers use the Hubble Constant to determine the age of the Universe. | show 🗑
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| Give two facts about active galaxies. | show 🗑
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| Define Quasars. | show 🗑
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| Describe briefly how Quasars were discovered. | show 🗑
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| show | Earth
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| Which planet is a god giant with a prominent ring system? | show 🗑
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| show | Venus
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| show | Mercury
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| Which rocket was used to launch the Apollo 11 spacecraft into an orbit around the Earth before it went to the Moon. | show 🗑
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| What is the difference between a rocket and a spacecraft? | show 🗑
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| show | To send humans to the moon and to collect samples and return them safely back again.
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| Why up until now have humans been confined to the immediate vicinity of Earth in terms of space exploration. | show 🗑
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| show | Orion
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| Which constellation contains two stars that point to Polaris? | show 🗑
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| show | 1. Interference 2. Reflection
3. Refraction 4. Scattering
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| Which properties of light is responsible for the Earth's blue sky during the day? | show 🗑
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| Which properties of light causes the starts to appear higher in the sky than the should? | show 🗑
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| show | Reflection
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| Which properties of light makes the planets' visible? | show 🗑
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| show | Cooler darker regions associated with localised magnetic fields.
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| show | 11 years
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| show | The number of sunspots increase and decrease.
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| show | They drift to lower latitudes.
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| Mant astronomers believe that Mars's two moons are captured asteroids. Give to reasons why this might be so. | show 🗑
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| In which two planets are the most asteroids located? | show 🗑
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| Describes how asteroids have been formed. | show 🗑
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| show | 1. They are too far away
2. There is too much light pollution.
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| Name the parts of a comet. | show 🗑
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| show | Reflecting sunlight.
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| Why does a Comet's dust tail point away from the sun? | show 🗑
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| hat causes a Comet's ion to be visible? | show 🗑
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| show | Ion tail
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| What is meant by a sidereal day? | show 🗑
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| show | 23 hours and 56 minutes
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| An astronomer observes Polaris from a latitude of 57 degrees N. The declination of Polaris is +90 degrees. What is the angular distance of Polaris above the northern horizon? | show 🗑
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| What is the solar wind? | show 🗑
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| show | Core
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| What are aurorae? | show 🗑
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| Which part of the Earth can aurorae? | show 🗑
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| A planetary nebula represents the final stages of a star with a mass approximately equal to that of the Sun.Briefly describe the final stages of a star that has a much greater mass. | show 🗑
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| Describe the observational evidence of black holes. | show 🗑
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| show | Planet predicted by wobbles in Uranus by Vernier. Searched successfully by Galle and D'Averst.
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| Give 2 astronomical reasons why Pluto should be regarded as a planet. | show 🗑
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| show | 1. Too small to be seen as a planet.
2. Has not cleared its orbit.
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| show | The dish collects radio waves, the ariel converts the radio energy into electric signals which is processed later.
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| show | 1. They have high redshift.
2. They are early galaxies and give off non thermal radiation.
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| Describe the evidence astronomers give for the big bang. | show 🗑
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| show | Nicholaus Corpernicus
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| show | Helliocentric theory
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| In what other ways did Copernicus' theory improve on earlier theories of the Solar System. | show 🗑
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| show | 1. Galileo found that Venus went through phases, just like our Moon. But, the nature of these phases could only be explained by Venus going around the Sun, not the Earth.
2. Moons of Jupiter went around Jupiter and not the Earth.
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| Name Who invented the telescope? | show 🗑
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| Which astronomer discovered sunspots? | show 🗑
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| Name the terrestrial planets. | show 🗑
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| show | Mercury, 88 days
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| show | "Inferior planet" is used in reference to Mercury and Venus, which are closer to the Sun than the Earth is
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| show | Superior planet" is used in reference to Mars, Jupiter, Saturn, (and later additions Uranus and Neptune), which are farther from the Sun than the Earth is.
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| Explain what it means we a planet is in transit. | show 🗑
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| show | When it is in conjunction. (Objects close together)
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| Define elongation | show 🗑
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| Define opposition | show 🗑
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| Define Occultation | show 🗑
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| show | Transit was not accurately predicted.
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| show | Earth and Venus' orbits are very slightly differently inclined.
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| show | Because it was not known if it was dangerous to put humans on the moon.
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| show | Apollo11
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| Give one feature of the Moon that means a spacecraft is likely to reach its surface travelling more slowly than on Earth. | show 🗑
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| show | The Moon has very little atmosphere to slow down an object falling to the surface.
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| show | The moon has no atmosphere which means that no scattering of light takes place.
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| Who discovered Neptune? | show 🗑
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Created by:
Sylvia Lowery
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