Astronomers
Which astronomer/physicist is known for finding gravity and three laws of motion?
Isaac Newton
What planet is mostly filled with water on the surface, has abundant oxygen, one moon, and a core made of mostly iron?
Earth
What is the force that keeps the Earth in orbit around the Sun?
Gravity
What star is closest to Earth?
The Sun
Around how many days does it take for the Earth to complete one full revolution around the Sun?
365 days/365.25 days
This astronomer improved the telescope and supported the heliocentric theory?
Galileo
What planet is also known as the red planet?
Mars
What is the primary reason Earth experiences seasons?
Tilt of Earth's Axis
What type of star is the Sun?
What is the angle of tilt to the nearest tenth degree of Earth?
23.5 Degrees
This astronomer first PROPOSED the heliocentric model, where Earth and other planets orbit the Sun?
Copernicus
What planet has dozens of moons, mostly made of hydrogen and helium, thick rings made of ice and rock, and pale yellow?
Saturn
What season would it be in Australia during December?
Summer
Red
How long does it take for the moon to orbit around the earth?
27 days
This astronomer formulated three laws of planetary motion, describing elliptical orbits of planets?
What planet is the hottest in our solar system and is the most similarly sized to Earth?
Venus
What is it called when the earth does not tilt much towards the sun, and is also associated with spring and fall?
What is the process called that powers the Sun by converting hydrogen into helium?
Nuclear Fusion
How many planets are outside the meteor belt in our solar system?
Four
This astronomer developed the geocentric model of the universe, with Earth as its center.
Ptolemy
What planet is a blue-green color due to its methane atmosphere, and rotates on its side?
Uranus
What invisible field on Earth protects it from solar wind?
Magnetic Field
What is the name of the large cloud of gas and dust where stars, including our Sun, are born?
Nebula
Approximately how many Earths can fit inside the sun(to the nearest one hundred thousand)?
1,300,000