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Newspaper
Cedar Rapids Gazette
Location
Cedar Rapids, Iowa, United States of America
Date
Apr 02, 1990
Page
8
Controllers at the Goddard Space Flight Center use computers to send commands to Hubble telling it where to point. The telescope can hold a position while traveling 17,500 miles per hour, with pointing accuracy comparable to hitting a dime from Washington to New York.
Telescopes collect light over a large area and concentrate it on a smaller area. Light enters the tube and strikes a large primary mirror about eight feet across, focusing onto a smaller secondary mirror. The light then reflects through a hole in the primary mirror into scientific instruments. Hubble is designed to work for roughly 15 years and is built in modules to ease maintenance. Astronauts will return to space for repairs, and the telescope must point away from the sun when its mirror door is open to avoid damage.
Data from science instruments moves as digital signals to the spacecraft computers then via a relay satellite above Earth to a ground tracking station in New Mexico and NASA Goddard in Maryland before reaching the Space Telescope Science Institute in Baltimore where results are stored for astronomers to study and report back.
Betty Debnam presents a concise children’s feature page with simple activities and notes. The item showcases a playful tone, kid friendly topics, and quick ideas suitable for a family newspaper section.
The text explains asteroids comets black holes galaxies the Milky Way planets pulsars nebulae quasars and stars. It notes Hubble’s future view of the bright comet Austin and describes the scale of galaxies and quasar brightness in simple terms suitable for a general audience.
The article reflects on how viewing the sky reveals the past. It notes that sunlight takes eight minutes to reach Earth and that the Hubble Space Telescope lets us glimpse objects billions of years old.
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