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Astronomia L1+L2

Authored by Vito Lavallata

Science

9th Grade

Used 1+ times

Astronomia L1+L2
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5 questions

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1.

OPEN ENDED QUESTION

1 min • Ungraded

Esponi almeno una differenza tra telescopio rifrattore e riflettore.

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Answer explanation

Il rifrattore usa lenti, il riflettore usa specchi.

2.

OPEN ENDED QUESTION

1 min • Ungraded

Perché in città vediamo molte meno stelle ad occhio nudo?

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Answer explanation

inquinamento luminoso, atmosfera più "sporca"

3.

OPEN ENDED QUESTION

1 min • Ungraded

Se viaggiassi alla velocità della luce, quanti km percorreresti in 1'40"?

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Answer explanation

~30 000 000 km

4.

OPEN ENDED QUESTION

2 mins • Ungraded

Perché la Stella Polare appare (quasi) ferma nel cielo?

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Perché è importante saper fare equivalenze e conversioni in astronomia?

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