18-25
How to weigh a galaxy
(55 votes)

Tags
- Classification: Umlaufbahn, Sterne, Galaxien, Kosmologie, Dunkle Materie, Rotationskurve, Dunkle Materie
- Age Range: 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Difficult
- Educational Asset Type: Exercise
- Format: image/fits
- Interactivity Level: High
- Interactivity Type: Active
- Language: en
- Learning Time: 2 didactic hours
- Metadata Language: en
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Παρατήρηση με βαρυτικούς μικροφακούς
(60 votes)

Tags
- Classification: Astrometrie, Kosmische Strahlen, Gravitationslinsen, EinsteinRing, Mikrolinseneffekt, Lichtkurve, Quasare
- Age Range: 25+, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: el
- Learning Time: 2 didactic hours
- Metadata Language: en
- Purpose: Discipline
- Size: From 250KB to 500KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Πως υπολογίζουμε τη μάζα ενός γαλαξία
(54 votes)

Tags
- Classification: Galaxien, Astrometrie, Dunkle Energie, Dunkle Materie, Spiralgalaxie, Rotverschiebung, Dunkle Materie
- Age Range: 25+, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: el
- Learning Time: 2 didactic hours
- Metadata Language: en
- Purpose: Discipline
- Size: From 250KB to 500KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Un trou noir au centre de notre Galaxie
(57 votes)

Tags
- Classification: Umlaufbahn, Sonnensystem - andere, Galaxien, Kosmologie, Milchstraße
- Age Range: 12-15, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: fr
- Learning Time: 2 didactic hours
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Εξερευνώντας τα ανοιχτά σμήνη
(59 votes)

Tags
- Classification: Sterne, Astrometrie, Offene Haufen, Sternentstehung
- Age Range: 25+, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: el
- Learning Time: 2 didactic hours
- Metadata Language: en
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Θέτοντας σημεία αναφοράς όταν τα πάντα κινούνται - αστρικά ρεύματα
(56 votes)

Tags
- Classification: Universum - allgemein, Astrometrie
- Age Range: 25+, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: el
- Learning Time: 2 didactic hours
- Metadata Language: en
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Systèmes binaires Be Xray
(59 votes)

Tags
- Classification: Sterne, Kosmologie, KuiperGürtel Objekte, Lichtkurve, Doppelsterne, Veränderliche Sterne
- Age Range: 12-15, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: text/plain
- Interactivity Level: High
- Interactivity Type: Active
- Language: fr
- Learning Time: 2 didactic hours
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Définir un système de référence
(51 votes)

Tags
- Classification: Umlaufbahn, Sonnensystem, Sonne, Kometen und Meteore, Astrometrie, Koordinaten, KuiperGürtel Objekte, Milchstraße, Veränderliche Sterne
- Age Range: 12-15, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: fr
- Learning Time: 2 didactic hours
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Lentille gravitationnelle
(52 votes)

Tags
- Classification: Sterne, Galaxien, Kosmologie, Gravitationslinsen, EinsteinRing, Quasare, Relativitätstheorie
- Age Range: 12-15, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/java-applet
- Interactivity Level: High
- Interactivity Type: Active
- Language: fr
- Learning Time: 2 didactic hours
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser
Etude d'amas ouvert
(54 votes)

Tags
- Classification: Galaxien, Kosmologie, Halos, Irreguläre Galaxie, Kugelsternhaufen, HertzsprungRussellDiagramm, Hauptreihe, Milchstraße, Sternentstehung
- Age Range: 12-15, 15-18, 18-25
- Aggregation Level: Learning activity
- Difficulty: Medium
- Educational Asset Type: Exercise
- Format: application/pdf
- Interactivity Level: High
- Interactivity Type: Active
- Language: fr
- Learning Time: 2 didactic hours
- Purpose: Discipline
- Size: Up to 250KB
- Structure: Atomic
- Technical Name: any
- Type: Browser