Universe
The Milky Way
These are large rocks that orbit the sun and are sometimes referred to as minor planets.
Astroids
This is a temporary flare-up of a star.
Nova- increases stars' brightness by thousands
A supernova- increases a stars' brightness by millions
This is the formal name of the North Star
Polaris
This is a measure of distance in space.
What is a lightyear.
This is the shape of our galaxy
A flat disk with arms extending like a giant pinwheel
This is the name for the region of millions of rocks that orbits the Sun
Binary stars
DAILY DOUBLE:
This is the name for a group of stars.
This is the name for large groups of stars.
Star clusters.
Galaxies
The trojan asteroids are located here.
Same orbit as Jupiter
This is the name of an object in space that has been pulled into Earth's atmosphere by gravity.
Meteor
These are the parts of the comet and what each is made of.
Head: 1)nucleus(bits of rock and dust surrounded by ice) 2) coma (material ejected from the nucleus- gases and dust particles)
Tail: gases and dust particles that are forced back from the coma by solar wind pressure from sunlight
A cloud of gas and dust in space.
Nebula
Dark Nebula: no stars nearby
Bright Nebula: glows from light of nearby stars
Name four of the ways stars are classified
Brightness, distance from Earth, color, size, motion relative to Earth,
What is the distance of a light year.
6 trillion miles.
9.2 trillion kilometers
DAILY DOUBLE:
The definition of a constellation.
The official number of constellations.
A region in the sky that contains stars.
There are 88 constellations as defined by the International Astronomical Union.
Objects in space that are too small to be called comets or astroids are called
Meteoroids
Really small objects that are as bright as a small galaxy
Quasars
In order from hottest to coldest, list the star colors
Blue, white, yellow, orange, red
Lines parallel to the celestial equator
Degrees of Declination
This is the term for a group of stars with a recognizable pattern.
Asterism
If an object survives the hot trip through the Earth's atmosphere and hits the surface is called this.
Meteorite
This is the best time of year to see a meteor.
Late July through mid-August; after midnight
This is the name of a star that expands and becomes brighter and then contracts and becomes dimmer on a regular basis.
Cepheid
Lines parallel to the Prime Hour Circle (space's Prime Meridian). These are the longitudes of space.
Hour of Right Ascension