Stars and planets
What galaxy do we live in?
The Milky way
What is it called when two plates are moving away from each other?
Divergent boundries
The most persuasive evidence that favours the Big Bang theory is?
2.2x10^8=?
220,000,000
What is the 1st keplers law?
The sun us at one focus. Every planet orbits the sun, they orbit the sun in what is known as an ellipse.
Whats the estimated amount of stars in the milky way?
100 thousand million stars.
What was earth called when it was just one continent.
Pangaea
what are the 3 most common atoms produced by the big bang?
Hydrogen, Helium, and Lithium
3.98x10^10
39,800,000,000
An Astronomical Unit, or AU, is the average distance between what planets?
The Sun and Earth
How many planets are in our solar system? and can you name them?
There are 8, The eight planets are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
who came up with the theory of continental drifting?
Alfred Wegener
How long ago was earth formed?
4.5 billion years ago
2.34x10^4=?
23,400
What has an eccentricity of zero?
A circle
What is the furthest planet away from earth?
Saturn
What 2 major plates caused the Himalayan mountains to form?
The indian plate and the Eurasian plate.
Who proposed the Big Bang Theory?
Lemaitre
What is scientific notation?
Scientific notation is a way of expressing numbers that are too large or too small to be conveniently written in decimal form.
Kepler's third law is known as?
The Law of periods
What is the closest planet to earth?
Mercury
How many major tectonic plates are there?
7 major tectonic plates.
What is the Big Bang Theory
The Big Bang Theory is the theory that suggests how the universe was created. Its estimated that it happened about 13.8 billion years ago.
9.99x10^-5=?
.0000999
What is redshift and blueshift.
Redshift and blueshift describe how light shifts toward shorter or longer wavelengths as objects in space, as they move closer or further away from you.