Planets
What is the fifth planet from the sun?
Jupiter, the gas giant.
What does a compass measure?
Azimuth.
Who discovered Newton's Law of motion?
Issac Newton.
What is the shape of the earth's orbit around the sun?
Ellipse.
What do you call a group of stars that make a constant pattern?
Constellation.
What are inner planets? Which planets are inner planets?
The first four planets closest to the sun. (Mercury, Venus, Earth, Mars)
Who invented the first telescope?
Hans Lipperhey.
Who's running the project to Mars?
Elon Musk.
Everything in the universe is under the influence of the sun's ___ and ______ pull.
1. Heat.
2. Gravitational.
What is white light made up of?
All the colors of the spectrum. (ROY G BIV)
Some regions on the sun are cooler and appear to be darker than their surroundings. What are these called?
Sunspots.
Name two possible lenses a telescope could have.
Ocular, objective, eyepiece, convex, concave.
Who was the first Canadian in space?
Marc Geneau
What's the difference between a solar and lunar eclipse?
Lunar - the earth is between the sun and the moon, causing the moon to be in the Earth's shadow.
Solar - the moon is between the earth and the sun, causing the shadow of the moon to fall on the Earth.
What is the difference between a meteor and a meteorite?
Meteor = meteoroid that burns up after colliding with Earth's atmosphere.
Meteorite = a meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground.
Why is pluto no longer a planet? What's it called now?
It's orbit was inconsistent. It's now called a dwarf planet.
What kind of telescope of a dioptric telescope?
Refracting telescope.
Who was the first woman in space? Where was she from?
Valentina Tereshkova. From Russia.
What is a nebula?
A giant cloud of dust and gas from explosions of a dying star.
Why is space black?
There's no atmosphere to scatter light.
What factors create an elliptical orbit?
The force of gravity and the object's desire to move in a straight line.
What is a catadioptric optical system?
A system where refraction and reflection are combined in an optical system.
Who proposed the heliocentric model in the 1500s?
Nicholas Copernicus.
Define a neutron star.
A tiny, super-dense, compressed ball of mass star left after a giant star explodes.
What year did Hans invent the telescope?
1608