Karteikarten
flashcards 8.1
Karten in diesem Stapel (23)
- 1how many stars can you see without a telescope?About 2000 stars.
- 2what does the exact number depend on?weather and light conditions.
- 3what are objects seen in the night known as?celestial objects.
- 4which type of scientist studies celestial objects?An astronomer.
- 5does the moon make its own light?no, i reflects light onto Earth.
- 6what are the different views of the moon called?phases of the moon.
- 7what are stars made of?hydrogen gas.
- 8what type of reactions are on a star?nuclear reactions.
- 9how far from earth is the sun?150 million kms
- 10how far is the closest star to Earth apart from the sun?40 million million kms away.
- 11how many stars in the milk way?200 billion stars.
- 12what are planets made of?balls of gas or rock.
- 13how to we see planets?they reflect light.
- 14what is the solar system?the planets that travel around the sun.
- 15what are terrestrial planets?Earth like planets.
- 16what are the terrestrial planets?Mercury, Venus, Earth, Mars.
- 17whats the brightest star in the sky?Venus.
- 18is the brightest star actually a star?no.
- 19what is the red planet?Mars.
- 20what are the gas giants?Uranus and Neptune.
- 21what are shooting stars?small rocks burning in our atmosphere.
- 22what is a meteorite?part of rock that reaches the Earth.
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