Most exoplanets are ____ than Earth.
Larger
The successor of the Hubble Space Telescope is the _____.
James Webb Space Telescope (JWST)
There are likely more ___ than stars in the Milky Way galaxy.
Planets
The possibility of extraterrestrial life is a ____ theory.
Controversial
Exoplanets ____ than Earth have been found.
Older
JWST can detect ___ and other gasses.
Oxygen
There are more than ___ _____ stars in the Milky Way galaxy.
200 billion
The conditions for life to arise are ____ to make.
Easy
Exoplanets orbit a ____ ____.
Host star
JWST is an ____ telescope.
Infrared
Earth is older than ___ Billion years.
4.5
Astronomers are always searching the sky for ___.
UFOs
Exoplanets atmospheres may be very ____.
Thick
JWST was launched in ___.
2018
Earth's most advanced life was ____.
Algae
Since more people started using cameras, there have been ____ sightings of evidence for Extraterrestrial intelligence.
fewer
Exoplanets were discovered in ____.
1992
NASA has plans for a space telescope that specifically looks for ____ ____.
Alien Earths
Even ____ _____ used radio waves.
Primitive societies
SETI stands for the ____ _____ _____ _____.
Search for extraterrestrial intelligence