What is Astrophysics?
What is astronomy?
Johannes Kepler was born in what country
What is Germany?
Another word for the focal point of a planet's ellipse
What is the foci?
The date Kepler's 2nd Law was published
What is 1609?
P² ∝ A to this power
What is cubed?
Astrophysics is a combination of these two fields
What are math and astronomy?
What did Kepler's invention help him find
What are the laws of Planetary Motion?
The variable that changes due to a planet's ellipse around the Sun
What is distance?
If T1 = T2, A1 = A2
What is the equation for Kepler's second law?
This person added mass to Kepler's third law
Who is Newton?
Who first came up with the concept of Astrophysics
Who is Johannes Kepler?
What was the name of Johannes Kepler's invention
What is the Keplerian Telescope?
The shape a planet's path takes when it starts to focus on one single point
What is a circle?
The person Kepler observed and discovered the second law from
Who is Tycho Brahe?
Daily Double
Mercury has a radius of of 5.8x10¹⁰m. The mass of the Sun is 1.99x10³⁰kg. What is Mercury's period?
G = 6.67x10⁻¹¹
T² = (4π²/GM)r³
What early astronomer came up with the idea of gravity
Who is Isaac Newton?
In what year did Kepler invent his Telescope
What is 1611?
How Kepler and Newton are related
What is they both proved that planets move in elliptical orbits?
the closer an object is to a star, the faster it'll travel. The further an object is, the slower it travels.
What does Kepler's second law imply?
The mass in this equation is the mass of __
T² = (4π²/GM)r³
What is the object being orbited around?
Exactly how long is earth orbit around the sun
What is 365.256 days?
Johannes Kepler was how old when he died
What is 58 years old?
The point of Earth's orbit that is furthest from the Sun
What is Aphelion?
Daily Double
Planet N has an area of 100 million kilometers squared between it and a star after a period of 4 months. It takes precisely five years to complete a full orbit around its star. After three years, what is the area between planet N's orbit and the star?
This value is the gravitational constant
What is 6.67x10⁻¹¹