18-25
How to weigh a galaxy
(55 votes)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Orbit, Stars, Galaxies, Cosmology, Dark matter, Rotation curve, Dark matter
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Astrometry, Cosmic rays, Gravitational lenses, Einstein ring, Microlensing effect, Light curve, Quasars
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Galaxies, Astrometry, Dark energy, Dark matter, Spiral galaxy, Redshift, Dark matter
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Orbit, Solar system - other, Galaxies, Cosmology, Milky Way
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Stars, Astrometry, Open clusters, Formation
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Universe - generally, Astrometry
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Stars, Cosmology, Kuiper belt objects, Light curve, Binary stars, Variable stars
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Orbit, Solar system, Sun, Comets and meteors, Astrometry, Coordinates, Kuiper belt objects, Milky Way, Variable stars
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Stars, Galaxies, Cosmology, Gravitational lenses, Einstein ring, Quasars, Theory of relativity
- 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)
![Certified content by Discover the COSMOS (Demonstrator)](/files/pictures/dtcDemostratorCert.png)
Tags
- Classification: Galaxies, Cosmology, Halos, Irregular galaxy, Globular clusters, Hertzsprung-Russell diagram, Main sequence, Milky Way, Formation
- 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