1. The _____ consists of the Sun, the planets, their moons and many smaller objects.
2. what is at the center of our solar system?
3. what force holds our solar system together?
1. solar system
2. the sun
3. gravity
Small rocky bodies that are found between the orbits Mars and Jupiter.
Asteroids
1. What are the 3 layers of the Suns atmosphere?
2. All forms of electromagnetic radiation (x-rays, IR waves, radio waves, UV rays) are classified by their what?
1. photosphere
chromosphere
the corona
2. wavelength
Tools used to collect and focus light and other forms of electromagnetic radiation are called what?
telescopes
1. What is a stars brightness as seen from Earth called?
2. What is a stars brightness if it were seen from a standard distance from earth?
1. Apparent Brightness
2. Absolute Brightness
1. The distance between objects in the solar system is measured in what unit?
2. what is the distance between the center of the sun and the center of the earth?
1. AU
2. 150, 000, 000 km
Chucks of rock and dust that are smaller than an Asteroid are called what?
Meteoroids
Dark areas on the suns surface that consist of cooled plasma are called what?
sun spots
1. A large cloud of gas and dust is called a what?
2. When a star is first created it is known as a what star?
1. Nebula
2. Protostar
____ is used to measure the distance to nearby stars.
Parallax
1. The ___ is a gaseous body much larger than anything else in our solar system.
2. List the order of the planets starting closest to the sun:
1. Sun
2. Mercury, Venus, earth, mars, Jupiter, Saturn, Uranus, Neptune.
When entering earth's atmosphere, friction with the air creates heat that produces a streak of light called a what?
meteor
Huge loops of plasma are called what?
Prominences
1. The life span of every star is dependent on a stars what?
2. If and when our sun blows up...it will become a ____.
1. Mass
2. white dwarf
1. Groups of 2 or more stars are called what?
2. Stars belonging to larger groupings are called what?
1. star systems
2. star clusters
A ___ is round, and orbits the sun.
planet
Loose balls of ice and rock that consist of a large long tail is called a what?
comet
Sun surface eruptions are referred to as what?
solar flares
1. When a Supergiant explodes, the explosion is called a what?
2. Which type of star has appears to give off pulses?
3. Which type of star is very bright and is smaller and denser than white dwarfs?
1. Supernova
2. Pulsar stars
3. neutron stars
List the 4 types of Galaxies
elliptical, quasar, spiral, and Irregular
Six of the eight planets in the solar system have at least one natural satellite, which is called a what?
Moon
What are the 3 interior layers of the Sun?
convection zone
radiative zone
the core
1. All objects in space give off energy; what is this type of energy called?
2. The light that you can "see" is called what?
3. Light disperses into different colors through a prism with different wavelengths...which is called the visible light _______.
1. electromagnetic energy
2. visible light
3. Spectrum
1. According to the H-R Diagram, Which colored stars are very hot?
2. Which colored stars are very cool?
1. Blue
2. Red/orange
1. ______ is all of space and everything in it.
2. Scientists use this method of making larger numbers smaller?
3. The distance light travels in a year is called a what?
1. Universe
2. Sci. notation
3. Light year