Detection Methods
Direct imaging is biased toward planets with ___ orbits
Wider
The semi-major axis is half of the ____ diameter of a planet's orbit
Largest
WASP-107 b, the "marshmallow planet", is classified as a ___ Neptune
Warm
Life needs a ____ environment
Stable
A _______ is an indication of an advanced alien civilization
Techno-signature
What's the most common type of exoplanet detection method?
Transit method
What eccentricity indicates a circular orbit?
0
All of the _____ planets are rocky.
Trappist 1
Water serves as a ___, which is necessary for life
Solvent
What does SETI stand for?
The Search for Extraterrestrial Intelligence
When using the radial velocity method, a ___ shift indicates a star moving closer to us and a ___ shift indicates a star moving farther away from us
Blue, red
The ____ measures the angle between the ___ plane and a reference plane
Inclination, orbital
Trappist 1
What is the other way to get energy that we talked about besides food?
Photosynthesis
An example of a bio-signature on Earth is atmospheric equilibrium of ___ and ____
Oxygen and methane
The transit method only works when the orbital plane is ____-on
Edge
The argument of periapsis measures the angle between the ascending node and where the planet passes _____ to the star
Closest
TOI 849 B is thought to be a remnant __ of a __ __.
The ____ zone is the region around a given star where the temperature is right for liquid water to exist
Goldilocks
What is the name of the contradiction between the likelihood of extraterrestrial intelligence suggested by the Drake equation and our current lack of evidence for these civilizations?
The Fermi Paradox
The microlensing method detects ____ distortions caused by a planet
Which parameter measures the location where the orbital plane crosses the reference plane?
Longitude of the ascending node
HD 189773b rains glass due to the ____ in its atmosphere and its extreme temperature
Silicate
What are the chemical elements that life needs?
CHNOPS
According to the ___ ____, intelligent extraterrestrial civilizations are observing us while choosing to stay hidden
Zoo hypothesis