Exoplanets

If we know the planet's mass from the star's Doppler shift, we can use the planet's size to calculate ___

• its distance

• its density

• its luminosity

• its apparent brightness

Tags

NGSS.MS-ESS1-3

Planets bigger than Earth, but smaller than Neptune are called ___

• Mini-Neptunes

• Super-Earths

• Neptune Dwarfs

• Earth Giants

Tags

NGSS.MS-ESS1-3

Like Tatooine in the Star Wars saga, we've even found planets orbiting ___

• massive blue stars

• cool red dwarfs

• red giants

• binary stars

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Some scientists believe life is abundant in the universe because...

• we lack the technology to recognize some potential biosignatures

• Earth-sized planets in the habitable zone are abundant in the universe

• all life requires liquid water

• all life requires a source of energy

A light curve is associated with which method of exoplanet detection?

• Radial velocity

• Transit

• Astrometry

• Gravitational Microlensing

Which of these methods has detected the fewest exoplanets so far?

• Radial Velocity

• Direct Imaging

• Astrometry

• Gravitational Microlensing

Roughly how many exoplanets have we discovered so far?

• 100

• 500

• 2000

• 6000

Which detection method has found most of the exoplanets we know about?

• Radial Velocity

• Transit

• Direct Imaging

• Gravitational Microlensing

Which exoplanet detection method looks for an "eclipse" of the star by its exoplanet?

• Gravitational Microlensing

• Radial Velocity

• Transit

• Direct Imaging

Most exoplanets are ___________ as/than their star.

• A similar size

• somewhat smaller

• much smaller

• slightly larger