Early Astronomy and Constellations
Our calendar is based on this
What is revolution?
The lit portion on the moon decreasing
What is waning?
A planet known for its rings
What is Saturn?
A star composed of neutrons at the core
What is a neutron star?
Our galaxy
What is the Milky Way?
The study of everything in the universe that is outside the Earth’s atmosphere
What is astronomy?
The lit portion on the moon growing larger
What is waxing?
Known as Earth's sister planet
What is Venus?
One stream of a solar flare
What is solar wind?
Left over material from the big bang
What is Cosmic microwave background (CMB) radiation?
What is rotation?
An event where the moon casts a shadow on Earth
What is a solar eclipse?
Has blue-green colour from methane in the atmosphere
What is Uranus
A star’s total energy output per second
What is luminosity?
The most common galaxy type
What is an elliptical galaxy?
9.5x1012km
What is a light year?
The shadow the Earth casts on the moon during a lunar eclipse
What is the Umbra?
A spherical cloud of small icy fragments and debris at the farthest reaches of the sun’s gravitational influence
What is the Oort Cloud?
This is used to determine the composition of stars by producing a spectrum of light.
What is a spectroscope?
Collection of 100,000- 1,000,000 stars arranged in a spherical shape; appear around the centre of the Milky Way
What is a globular cluster?
Any object that exists in space, such as a planet, a star, or the moon
What is a celestial object?
The stretching effect on the Earth's oceans.
What is tidal force?
Commonly called a shooting star
What is a meteor?
A star "explosion"
What is a supernova?
Collection of 50-1000 stars; appear along main band of Milky Way
What is an open cluster?