Telescopes
Stars
People
constellations
tools
100
a combination of a primary concave mirror and a secondary convex mirror, often used in optical telescopes and ratio antennas.
What is cassegrain reflector
100
a region of space having a gravitational field so intense that no matter or radiation can escape.
What is Black Hole
100
Was the first person to build a telescope used for viewing the heavens
What is Galileo Galilei
100
how many modern constellations are there?
What is 88
100
An upright object set in place for the purpose of casting a shadow in sunlight.
What is gnomon
200
A telescope uses only lenses to concentrate the light from an object.
What is refractor telescope
200
a cloud of gas and dust
What is nebulae
200
Who was one of the first to investigate the use of lenses?
What is Roger Bacon
200
what is before the name of the brightest stars?
What is Alpha
200
what was used to read the angle a star made with the horizon
What is Octants
300
Uses a concave mirror as the primary light gathering optical component
What is reflector telescope
300
the stars brightness are measured by what?
What is magnitude
300
who stated an orderly system for identifying certain stars in a constellation
What is Johann Bayer
300
a group of stars that make up a shape? this should be easy
What is constellation
300
First clock that didn't need the sun to work
What is Water Clock
400
Uses radio waves to collect information
What is Radio Telescopes
400
Consists of millions of stars
What is Galaxy
400
who was the first person to credibility "invent" the telescope
What is Hans lipperhey
400
The Big Dipper constellation has how many stars?
What is 7
400
May have been erected as a solar observatory
What is Stonehenge
500
instrument that creates optical and non optical categories of telescopes
What is hubble space telescope
500
star that is visible for a period of time, but will fade away
What is Nova
500
Is very perspicuous, and has many responsible attributes!
What is Ogie from Broville
500
how do you find a constellation?
right ascension and declination/latitude and longitude
500
This contains a sundial
What is armillary
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