Observing the universe Flashcards
What is the shortest type of wave?
Gamma Rays
What is the longest wave length?
Radio Waves
A T.V. remote uses what type of waves?
Infrared Waves
What type of waves do you use when you talk on your cell phone?
Microwaves
Sunglasses block what type of waves?
Ultra violet
Name the types of rays from shortest to longest.
G.X.U.V.I.M.R
The ________, Planets, and Stars can be seen at night with an unaided eye.
Moon or Galaxies
The _______ Galaxy contains our sun and billions of other stars.
Milky Way
There are eight planets in our _________.
Solar System
Earth like planets in faraway ________ might support life.
Galaxies
Galaxies and ______ emit electromagnetic waves.
Stars
The hottest stars emit X-rays and ________
Gamma Rays
Cooler stars emit infrared waves and __________
Radio Waves.
Our sun emits much of its energy as ________
electromagnetic waves or visible light
_________ and moons reflect light from the sun
planets
________ produce their own energy and existed many millions of years ago.
Stars or Galixies
Young stars and planets hidden by dust and gas cannot be viewed by __________
Visible Light
_______ Formed early in the history of the universee
galaxies or stars
____________ carry radiant energy
Electromagnetic Waves
REFRACTING telescopes uses what?
Convex Lenses and it bends light to form an image.
REFLECTING telescopes uses what?
Curved mirrors and it reflects light from one mirror to another
What do REFRACTING and REFLECTING telescopes have in common?
They both concentrate light from a distant object and they gather ONLY visible light.
What does hubble orbit?
The Earth
What type of energy does Hubble collect?
Visible light
what is Hubble used to study?
Distant Objects.
What does Spitzer orbit?
The Sun
What type of energy does Spitzer collect?
Infrared Waves
what is Hubble used to study?
Objects hidden by dust and gas that can not be seen in visible light.
What does James Webb orbit?
It will orbit the Sun
What type of energy does James Webb collect?
Infrared Waves
what is James Webb used to study?
Galaxies formed early in the history of the universe.
Optical telescopes gather only ______ Light
Visible
_______ telescopes use convex lenses to concentrate light
Refracting
Refracting telescopes _____ light to form an image.
bend
Reflecting telescopes use curved _______ top concentrate light?
mirrors
Radio telescopes use ______ to collect radio waves and some microwaves.
antenna
most _____ telescopes are located in remote deserts with dry environments.
Radio
Optical telescopes work best ______
in space
telescopes located in space avoid distortion from ____ atmosphere.
earth
The hubble space telescope orbits ____
the Earth
The _______ space telescope gathers visible light
Hubble
_________ telescopes using infrared light antennas observe old or cold objects the don’t emit visible light
Space
The _______ and James Webb telescopes orbit or will orbit the sun
Spitzer
