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Today on Crash Course Astronomy, Phil dives into some very dark matters. The stuff we can actually observe in the universe isn’t all there is. Galaxies and o...
- 12 min
- 1.8M
- CrashCourse
11 de abr. de 2024 · There are infinite realities. This is the one where Jason Dessen kidnaps himself. Based on the New York Times bestseller, Dark Matter is now streaming. https...
- 3 min
- 8.4M
- Apple TV
19 de ene. de 2022 · We see evidence for dark matter everywhere we look but proving hypotheses around it has been exceptionally difficult. Astrophysicist Paul Sutter explains eve...
- 15 min
- 132.5K
- Ars Technica
DARK MATTER Dauerausstellung: Regulär Ticket ONLINE: 18,00 EUR Mittwoch - Freitag. 20,00 EUR Wochenende & Feiertage. Student Ticket ONLINE: 14,00 EUR nur Donnerstags verfügbar. Bitte buche die Tickets ONLINE. Tickets vor Ort werden nur in Ausnahmefällen verkauft. Der Preis ist 22,00 EUR und die Verfügbarkeit kann nicht garantiert werden.
Despite the name, dark energy isn’t like dark matter, except that they’re both invisible. Dark matter pulls galaxies together, while dark energy pushes them apart. Astronomers measure the expansion of the universe using the explosions of white dwarfs, called type Ia supernovas, which led to the discovery of dark energy in 1998.
Dark matter is a form of matter that cannot currently be observed directly, but is thought to comprise about 85% of all matter in the Universe. Objects in our Universe are attracted to one another by gravity. The more mass an object has, the stronger its gravitational attraction. The effects of gravity can be observed across our Universe ...
The only way to explain this was to reintroduce Einstein’s cosmic energy in a slightly altered form, called ‘dark energy’. No one knows what the dark energy might be. In the currently popular ‘concordance model’ of the Universe, 70% of the cosmos is thought to be dark energy, 25% dark matter and 5% normal matter.
