Course:
Astronomy 1010
Institution:
Astronomy 1010
ASTR 1010 Final Vanderbilt Q&A Latest Update
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✅ Prepared for 2025/2026 test cycle
Uploaded on: | May 12, 2025 |
Last updated: | May 12, 2025 |
Number of pages: | 12 |
Written in: | 2025/2026 |
Type: | Exam (elaborations) |
Contains: | Questions & Answers |
Tags: | ASTR 1010 Final Vanderbilt Q&A Latest Update |
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ASTR 1010 Final Vanderbilt | Q&A Latest Update 2025/2026 | 100% PASS dark energy + evidence - Answer -a mysterious repulsive force that appears to be causing the expansion of the universe to accelerate Type Ia supernovae as standard candles; Hbl law says they should be moving faster there; inverse square law for light dictates that dimmer = farther; calculated dstncs to things are even farther than their redshift predicts; they are being pushed away dark matter + evidence - Answer -matter (gravity, attractive force) that does not give off electromagnetic radiation but is quite abundant in the universe rotation curves, ultra-faint galaxies, gravitational lensing, Coma Cluster + Zwicky, Bullet Cluster proton-proton chain - Answer -high density + high heat needed P + P -> H2 + e⁻ + neutrino H2 + P -> He3 + gamma ray He3 + He3 -> He4 + 2P