Quarks to Cosmos Lecture Sheet 16

0.0(0)
studied byStudied by 0 people
0.0(0)
full-widthCall Kai
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
GameKnowt Play
Card Sorting

1/7

flashcard set

Earn XP

Description and Tags

Cosmology & Expansion

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

8 Terms

1
New cards

What is Hubble’s Law?

v = H₀ d.

2
New cards

What determines expansion rate?

Energy density (matter, radiation, dark energy).

3
New cards

Does H₀ change?

Yes over cosmic time.

4
New cards

Can expansion exceed c?

Yes; space expands.

5
New cards

What does z > 1 indicate?

Large redshift; very distant.

6
New cards

Most distant standard candles?

Type Ia supernovae.

7
New cards

Einstein’s “biggest mistake”?

Cosmological constant for static universe.

8
New cards

Consequence of expansion?

Universe is dynamic, not static.