Flashcards
Universe and the Solar System
Cards in this deck (27)
- 1Ordinary matter consisting of protons, electrons and neutronsBaryonic Matter
- 2Matter that has gravity but does not emit lightDark Matter
- 3Source of Anti-GravityDark Energy
- 4Early stage in the formation of a starProto-star
- 5a nuclear fision reaction responsible for the energy produced by starsThermonuclear reaction
- 6stars that fuse hydrogen atoms to form heliumMain Sequence Stars
- 7The universe is ________ old13.8 billion years old
- 8The Solar System is _______ old4.5 - 4.6 billion years old
- 9The universe is composed ofdark energy, dark matter, baryonic matter
- 10Baryonic Matter is _____ %4.60%
- 11Dark Matter is _________%24%
- 12Dark Energy is ________%71.40%
- 13The three most abundant elementsHydrogen, Helium, Lithium
- 14The building blocks of the universeStars
- 15A cluster of billions of starsGalaxy
- 16Diameter of the universe91 billion light years
- 17Ways by which Astronomers estimate the age of the universeby estimating the age of the oldest stars, by measuring the rate of expansion of the universe explorating back to the universe
- 18This theory proves that the galaxies are moving awayRedShift Theory
- 19Redshift theory is discovered byEdwin Hubble
- 20This theory states that the frequency or pitch of receeding source decreases as it moves awayDoppler Effeect
- 21Cosmic Microwave Background is discovered byArno Prenzias and Robert Widrow Wilson
- 22They believed that the universe arose from an infinite sea at the first rising of the sunAncient Egyptians
- 23They believed that the universe is vomitted by Mbomba.Kuba people of Central Africa
- 24They believed that the universe came from the sacrificed Purusha's BodyIndia
- 25They believed that there is a supreme being that created the universeMonotheistic religion, Christians,Judaism,and Islams
- 26This theory stated that new matter is created as the universe expands thereby maintaning its densitySteady State Theory
- 27Steady State Theory is theorized byBondi, Gould, and Hoyle
Information
- Description
- Flash card about The Universe and the Solar System for Grade 11 taking up STEM Track
- Created by
- Angel Antopina
- Views
- 136
- Tags
- Rating