Flashcards
the earth in space
Cards in this deck (23)
- 1what objects are in the night sky?moon, stars (planets), lunar eclipses,
- 2why can we some objects only at night?because the sun shines on them and we see the bright side.
- 3what is a galaxya galaxy is full of stars, planets, solar systems and asteroids.
- 4what is the name of our galaxy?the Milky Way galaxy
- 5what are stars made of?Stars are made of very hot gas. This gas is mostly hydrogen and helium, which are the two lightest elements.
- 6what is our stars name?the sun
- 7how are planets different to stars?most planets are made of rock and stuff but stars are made of burning gases
- 8what objects make up our solar system?planets (moons) stars (sun) asteroids, meteorites
- 9what causes night and day?the earth's rotation on its axis determines night and day.
- 10lunar eclipse
- 11solar eclipse
- 12why is it safe to NOT look at a solar eclipse?because all you can see is the outside of the sun/ the CORONA, will burn your eyes if you look at it without the special glasses.
- 13what causes seasons?the earth spins on its axis and the axis is on a tilt.
- 14what is earths place in the solar system? name the planets.Earth is the 3rd from the sun and the full order is
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune - 15describe the effects of the sun and the moon on the Hydrospherethe water on the planet is attracted to the moon so that's how tides are caused.
- 16what was Aristotle's contribution to the discovery of solar systemhe created the first Geocentric model of the solar system which meant that Earth was in the middle and everything was perfect spheres.
- 17what did Ptolomy do?because the Greeks couldn't figure out where the planets would be Ptolomy said that the planets going around were in epicycles.
- 18what did Copernicus suggest.he said that they were getting the seasons and planets wrong because the sun is at the center not the earth.
- 19what did Galileo do?he created advanced telescopes.
- 20describe some examples of how new tech have led to discoveries and increased our understanding of the solar system.some examples are space telescopes, advanced land telescopes, missions to the moon and the international space station.
- 21how do we now about the universe and solar system.because a lot of people have had explanations about space and after so many years we have advanced on some ideas and learnt so much more.
- 22where is the Hubble telescopethe Hubble telescope is 569km above the earth and was launched there by the space shuttle in 1990.
- 23describe how advanced tech have led to us having a greater understanding of the universe.the andvanced technology that we have today is great for looking into space. from the new technology we have learnt about stars- how they start and how they end. and also what planets are made of and other interesting things about the universe.
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- Flashcards on the earth in space, created by poppa_123456 on 10/09/2014.
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- poppa_123456 · Sep 2014
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- Apr 6, 2018
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