Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Science
| Question | Answer |
|---|---|
| The ___ is extremely hot about ___ million degrees at its center | Sun, 27 |
| The Suns energy Is produced in its central region by the fusion of the ____'into ____' | Hydrogen into helium |
| The sun remains ____ be the inward pull of gravity balance outward put the therma, pressure from nuclear fusion | Stable |
| What percent is the sun of the mass in the solar system | 99.8 |
| The Suns interior consists of the ___,______ zone, ______ zone (crc) | Core, radiation, convection |
| Is its central region where nuclear fusion occurs | Core |
| Is a region of highly compressed gas | Radiation zone |
| The outer layer of Suns interior | Convection zone |
| The Suns atmosphere consist of three layers the ____, _____, _____ (pcc) | Photosphere, chromosphere, corona |
| U can see it visibles surface 110,000 f | Photosphere |
| Middle layer of Suns surface | 17,500 f chromosphere |
| Outermost layer | 2 mill f Corona |
| A stream of electricity charged particles that flows outward from the sun through the solar system | Solar wind |
| Features of Suns atmosphere consist | Sunspots prominences solar flares |
| Are areas of gas in the photosphere that are cooler than the surrounding gaswsm | Sunspots |
| Are hugs loops of gas that erupt from sunspots region | Prominences |
| Sudden release of energy from the sun | Solar flare |
| Is a large lowing ball of gas in space which generations energy through fusion in its core | Star |
| Is the distance that light travels in a vacuum in a year which is about 5.88 trill miles | Light year |
| The apparent change in position of an object with respect to a distant background | Parallax |
| Closest nabor to us is _____ centuri (binary system) | Proximus |
| Blue | Hottest |
| Red | Coolest |
| Yellow | Medium |
| The brightness of a star as its appears from earth | Apparent brightness |
| Is how bright a star really is | Absolute brightness |
| Apparent brightness is affected by ___ and ____ | Size and distance |
| A set of dark lines that show where light has been absoarbed | Absorption lines |
| We learned about composition through the absoarbtion lines in _____ | Spectrograph |
| Is a line graoh we use that plot brightness and temp | Hr diagram |
| Astronomers call this diagotiona,l band on the hr diagram | Main sequence |
| The very bright stars at the upee right of the hr diagram | Supergiants |
| Large bright stars that are smaller and fainter than supergiants | Giants |
| Is a small dense remains of a low or medium mass star | White dwarf |
| Main sequence stars are ___ | Stable |
| 90% of all stars are found on the | Main sequence |
| what makes a star stable gravity pushing ______ and ______ pushing outward | inward, fussion |
| is a large cloud of gas and dust spread out over a large volume of space | nebula |
| a contracting cloud of gas and dust with enough mass to form a star | prototstar |
| a stars mass will determine how long it will stay in the ____ sequence | main |
| whats the difference between a star and a protostar | star does nuclear fusion |
| whats alike about a star and a protostar | equal mass |
| dying star surrounded by a glowing cloud of gas | planetary nebula |
| an violent explosion of a dying star becomes more brilliant than an entire galaxy | supernova |
| is the dense remnant of a high mass star that has exploded as a supernova | suetron star |
| spinning nuetron star that appears to gives off strong pulses of radio waves | pulsar |
| is an object whose surface gravity is so great that even electromagnetic waves traveling at the speed of light cannot escape from it | black hole |
Created by:
thomasslagle