History
The Italian astronomer famous for his early discoveries using the telescope.
What is Galileo?
The 3-legged stand which supports the telescope itself.
What is tripod?
A reflective telescope typically has this many mirrors.
What is 2?
The year that Hubble was launched.
What is 1990?
The year of the discovery of the telescope.
What is 1608?
The lens closest to the viewer's eye and the part that the viewer looks through.
What is eyepiece?
A refracting telescope typically has this many convex lenses.
What is 2?
The JWST captures this spectrum of light.
What is infrared?
The innovation that Johannes Kepler brought to telescopes.
What are double convex lenses?
The main part of the telescope, which houses the main lens and gathers light.
What is optical tube?
The addition of the hyperbolic lens improved this quality of the telescope.
What are better image quality and reduced optical aberrations?
Hubble uses this telescope design.
What is Cassegrain?
The name of the Dutchman who invented the telescope.
What is Hans Lippershey?
A component located above the main body with a large field of view, used to locate objects to observe through the main telescope.
What is finderscope?
A Cassegrain telescope with a diagonal plane mirror instead of a secondary convex mirror.
What is a Newtonian telescope?
The JWST was launched on this date.
What is December 2021?
The four Galilean moons of Jupiter
What are Callisto, Europa, Ganymede and Io?
An angled mirror or prism which diverts the light perpendicular to the optical tube, helping to make images easier to observe.
What is star diagonal?
The JWST can capture these colours of visible light, along with infrared
What is red and orange?
The term for 3 celestial bodies in a straight line.
What is syzygy?