Spectroscopy and Hubble Quiz

What does a spectrum tell us?

• What something looks like

• What something is

• The size of an object

• The distance of an object

What is a spectrum?

• A type of camera

• A type of telescope

• A rainbow created by splitting light

• A beam of white light

What is spectroscopy?

• The study of images

• The study of spectra produced by light interaction

• The study of stars

• The study of galaxies

What does a spectrograph do?

• Captures images of stars

• Splits light into its component colors

• Measures the distance to galaxies

• Detects gravitational waves

What can Hubble's ultraviolet spectroscopy reveal?

• The chemical composition of stars

• The size of black holes

• The motion of galaxies

• The temperature of planets

What is an absorption spectrum?

• A spectrum showing emitted light

• A spectrum showing absorbed light

• A spectrum showing refracted light

• A spectrum showing reflected light

What is an emission spectrum?

• A spectrum showing refracted light

• A spectrum showing reflected light

• A spectrum showing emitted light

• A spectrum showing absorbed light

What does a spectrograph use to split light?

• A grating

• A mirror

• A filter

• A lens

What did Hubble's spectrographs detect in the atmosphere of a planet outside our solar system?

• Water

• Oxygen

• An organic molecule

• Carbon dioxide

What can combining Hubble's ultraviolet spectroscopy with the infrared capabilities of the James Webb Space Telescope achieve?

• Scientific results neither could achieve alone

• More detailed maps of the Milky Way

• Faster data transmission

• Better images of stars