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Astronomy: Extraterrestrial life
This exercise is about:
- extraterrestrial life;
- super habitable planet;
- exoplanet;
- abiogenesis;
- panspermia;
- number of exoplanets discovered.
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Interactive exerciseNewOther function -
Astronomy: Concepts 1
Concepts discussed here are:
- distances to the moon;
- distances in the solar system;
- distances in the nearby universe;
- distances in the entire universe;
- distance modulus;
- Brightness;
- parallax as a measure of distance;
- Kepler's laws.
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Interactive exerciseOther function -
Indicative present verbes -er: Exercise
Fill in the blanks for the present tense of the verbs op -er .
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Interactive exercise (3)Teacher -
Stress: Exercise series
Exercise series on stress:
- fill-in exercise on terminology related to stress;
- multiple choice exercise with examples of problem- and emotion-focused coping.
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Interactive exercise (6)Teacher