Corso Astronomia - Lezione 6
Quiz
•
Science
•
10th Grade - University
•
Practice Problem
•
Hard
Roberto Ciri
Used 4+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A quale velocità il Sole ruota intorno al nucleo galattico della Via Lattea?
300.000 km/h
220.000 km/h
220 km/s
2.200 km/s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quanto rimangono legati gravitazionalmente gli ammassi stellari aperti?
per sempre
per 100-200.000 anni
per 100-300.000.000 anni
finché le loro stelle brillano
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Da cosa dipendono i colori di una nebulosa gassosa?
dalla composizione chimica
dallo stato di ionizzazione del gas
da entrambe le cose
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Come si chiama il braccio di spirale in cui si trova il Sistema Solare?
Perseo
Eridano
Orione
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Gli ammassi globulari si trovano:
nel nucleo galattico
nel disco galattico
nell'alone galattico
nella barra galattica
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In una galassia a spirale generalmente i bracci ruotano in modo da:
avvolgersi attorno al nucleo
svolgersi rispetto al nucleo
non ruotano, tutta la galassia ruota come un unico corpo
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Secondo la Legge di Hubble le galassie si allontanano l'una dall'altra con:
la stessa velocità l'una rispetto all'altra
velocità che aumenta all'aumentare della loro distanza reciproca
velocità che diminuisce man mano che l'Universo si espande
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