midtern
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| show | is made entirely of hot gas
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| The most common element in the Sun is | show 🗑
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| show | the density (number of atoms in a unit volume) decreases
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| Solar wind particles can be captured by the Earth's magnetosphere. When these particles spiral down along the magneti into the atmosphere, they are responsible for: | show 🗑
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| show | hot material must be rising from the Sun's hotter interior
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| show | they are cooler than the material around them (although still very hot compared to Earth temperatures)
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| show | The Sun rotates at different rates at different latitudes on
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| The material inside the Sun is in the form of a | show 🗑
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| Which part of the Sun has the greatest density? | show 🗑
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| show | turning into a different type of neutrino
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| show | do experiments and observations about the predictions of the hypothesis
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| A light year is | show 🗑
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| A star is 230 light years away. The light we see tonight from that star left it | show 🗑
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| show | a little less than 30,000 light-year from the center.
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| show | Dust in the space between stars builds up over large distances and blocks the light of stars behind the dustier parts of the Milky Way.
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| show | everything that we can observe.
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| Light travels 3 x 105 meters every second. That number in words is | show 🗑
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| The Astronomical Unit (AU) as defined by astronomers is | show 🗑
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| show | a star
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| For scientists, an element (like gold) is defined by | show 🗑
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| The point in the sky directly above your head at any given time is called the | show 🗑
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| show | the planet on which we live is rotating
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| show | latitude of the observer
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| The Sun's apparent path around the celestial sphere is called | show 🗑
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| The 88 sectors into which astronomers today divide the celestial sphere (the whole sky) are called: | show 🗑
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| show |
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| When a planet temporarily moves westward in the sky over the course of several weeks or months (instead of eastward, as it typically does), we call it; | show 🗑
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| The slow tipping of the Earth's axis in a circle with a period of about 26,000 years is called: | show 🗑
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| show | moons around the planet Jupiter
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| show | the semi-major axis
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| When a planet, in its orbit, is closer to the Sun, it: | show 🗑
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| show | inertia
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| Newton showed that to change the direction in which an object is moving, one needs to apply: | show 🗑
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| A single star in the process of forming starts by spinning slowly (while it is quite large and relatively cool.) As the star collapses under the pull of its own gravity, its size decreases. As a result, its rate of spinning: | show 🗑
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| Newton's reformulation of Kepler's third law allows us to measure the masses of bodies in orbit around each other, if we can measure: | show 🗑
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| When a comet like Comet Hale-Bopp comes closest to the Sun in its orbit, we say that it is at: | show 🗑
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| show | Mercury
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| show | a zone where rocky chunks orbit between Mars and Jupiter
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| show | latitude
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| show | longitude
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| show | 230 years ago
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| The location of the Earth in the Milky Way Galaxy is | show 🗑
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| show | right ascension and declination
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| show | January
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| show | a solar day
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| show | because the Earth is going around the sun in the course of a year
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| The terms "a.m." and "p.m." (as in see you at the movies at 8:30 p.m.) derive from what astronomical idea? | show 🗑
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| show | the same as its revolution around the Earth
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| When the Sun and Moon are lined up and pull together, the tides they raise are called: | show 🗑
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| show | electric charges that were in motion
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| The light which allows you to see this very interesting quiz is made up of waves. In these waves, the distance between crests is called the: | show 🗑
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| show | at the speed of light
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| Which of the following has the highest frequency? | show 🗑
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| show | their temperature
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| The Stefan-Boltzmann Law relates the energy flux coming from a blackbody (such as a star) to its: | show 🗑
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| show | It has dark lines in it that allow astronomers to determine what chements are in the star
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| show | that the nucleus of an atom was tiny compared to the size of the whole atom
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| What happens as an electron falls from a higher level to a lower level in an atom? | show 🗑
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| show | the state an electron is in when it has absorbed three or more different photons
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| show | collect as much light as possible and bring it to a focus
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| show | the diameter of the primary lens or mirror
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| A new technique called adaptive optics allows astronomers to: | show 🗑
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| Why do telescopes have to have a good motorized drive system to move them quickly and smoothly? | show 🗑
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| show | photographic film, photographic plates, a CCD (charge coupled device)
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| Which of the following is NOT a detector of radiation from space that astronomers have used? | show 🗑
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| To break up light into the component colors that it contains, astronomers use a device called: | show 🗑
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| Radio telescopes of modest size can't make out as much detail (have a lower resolution) than visible light telescopes. How do astronomers overcome this limitation? | show 🗑
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| show | The most serious and notorious of these was an optical defect called spherical aberration, which was caused by the malfunction of a measuring device used during the polishing of the mirror.
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| Why do astronomers prefer to put infrared telescopes on high-flying airplanes or on satellites in space? | show 🗑
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
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Created by:
iizzyy