Physics, Math, the Universe
The Night Sky
Building Blocks of the Solar System
Planets
Stars & Exoplanets
200
This type of telescope fell out of favor due to the long tube sizes and challenges with creating large perfect lenses. 

What is a refractor? 

200

The coordinate system used to locate objects on the sky, relative to the celestial sphere using right ascension and this other coordinate

What is declination? 

200

Uranus and Neptune are called “”, in contrast to their larger gas giant siblings.

What is "Ice giants" 

200

Planet with a 3:2 orbital resonance

What is Mercury? 

200

After leaving the core, photons first enter this region of the Sun.

What is the radiative zone? 

250

In scientific notation, the number 3,458,000,870 would be expressed as 3.458000870 * 10 to the ____ 

WHat is the ninth. 

250

The two objects which are always 90 degrees apart on the celestial sphere are the North Celestial pole and this location

What is the celestial equator? 
250

Comets orbits are highly _____________, taking them from the Sun to near the Oort Cloud (your answer should be a vocabulary word use to describe ellipses). 

What is eccentric 

250

The terrestial planet with the thickest atmosphere 

What is Venus? 

250
Looking for atmospheric gases, called ________,  is thought to be the best way to search for life beyond the solar system. 

What is biosignatures? 

300

Gravity and light reduce strength with the square of the distance, a phenomenon known as __________

What is the inverse square law? 

300

In the northern Hemisphere, the sky appears to rotate around the _____, near where Polaris is located

What is the North Celestial Pole? 

300

Planets form out of a rotating cloud of gas and dust called a ____________.

What is a protoplanetary disk? 

300

Only planet with 2 moons

What is Mars? 

300

The second most common exoplanet detection methods measures the ______ of the star.

What is the radial velocity 
350

An electron moves from energy level 5 to energy level 7. A photon of energy 2 is 

what is absorbed? 
350

The altitude of the North Celestial Pole is the same as what attribute of your location on Earth.

What is your latitude 

350

The largest increase in impact energy would be caused by increasing the _______.

what is the velocity

350

Rings were discovered through stellar occultation

What is Uranus? 

350

_____________ refers to when a small piece of the corona is pinched off of the Sun, and ejected to the Earth.

What is a Coronal Mass Ejection? 

400

Using Kepler’s Laws, calculate the orbital period of a planet which has a semi major axis of 4 AU

What is 8 years? 

400

This population of stars never rises or sets. 

What is circumpolar stars 

400

The most common type of asteroid is _______ (composition)

What is carbonaceous? 

400

_____’s moon Triton is likely a captured Kuiper Belt Object.

What is Neptune? 

400

The proton-proton chain begins with two protons and ends with a molecule of _______ (you must include the atomic mass number ie Carbon-12).

Helium 4 

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