Hubble Space Telescope Lesson Booklet Teacher's ... - Top Stars

Earth
The third planet from the sun.
Edwin Powell Hubble
A famous American astronomer.
Elliptical Galaxy
A collection of millions to billions of stars in the form of
a dense swarm.
Expand
To make larger.
Exploration
The act of looking into or studying something unknown.
Galaxy
A self-gravitating system of stars, gas, dust, planetary
systems, and other matter in motion about its center of
mass. Galaxies are the most visible components of the
larger Universe.
Goddard Space Flight Center (GSFC)
NASA’s flight control center in Greenbelt, Maryland,
which receives data from orbiting observatories such as
the Hubble Space Telescope (HST). HST digital data are
then relayed to the Space Telescope Science Institute in
Baltimore, Maryland, where they are interpreted into pictures.
Goddard also conducts scientific investigations,
develops and operates space systems, and works toward
the advancement of space science technologies.
Hubble Space Telescope (HST)
A large telescope placed in orbit above Earth that takes
pictures of objects in space.
Karen Freiboth
NASA Top Stars