upsc 1 min read
Who has satellites? Then and now
The database is updated three times a year. The database contains 28 types of data for each satellite, including technical information…
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Browse our articles in publication order, with new stories added automatically.
Professional Ethics & Human Values 1 min read
Liability
Buyer beware Examine what you want before you buy If he is negligent, he suffers the bad bargain.…
Professional Ethics & Human Values 1 min read
Examples of Improved Safety
Magnetic door catch introduced on refrigerators Prevent death by asphyxiation of children accidentally trapped inside The catch now…
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UCS Satellite Database
Assembled by experts at the Union of Concerned Scientists (UCS), the Satellite Database is a listing of the more than…
upsc 4 min read
How many satellites orbit Earth and why space traffic management is crucial
Have you ever wondered how many satellites orbit the Earth? According to the Union of Concerned Scientists (UCS), which maintains…
upsc 3 min read
Watch NASA astronaut Kate Rubins and two cosmonauts launch into space tonight
Four years after her first flight to the International Space Station, NASA astronaut Kate Rubins will return to space today (Oct. 14). …
upsc 2 min read
A Soyuz capsule just made a record-breaking 3-hour flight to the International Space Station
Three new crewmembers arrived at the International Space Station today (Oct. 14) after a record-breaking speedy flight to the orbiting lab. The…
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Dawn Mission: Shedding Light on Asteroids
Dawn was a NASA mission that operated between 2007 and 2018, breaking several records along the way. When it entered…
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Dwarf Planet Ceres Hosted Near-Surface Water for Millions of Years
This mosaic of the bright spot known as Cerealia Facula inside the dwarf planet Ceres’ Occator Crater is based on…
upsc 3 min read
Dwarf Planet Ceres May Be Wrinkling As It Shrinks
This view of Ceres from NASA’s Dawn spacecraft shows what the dwarf planet would look like to the human eye.…
upsc 4 min read
NASA spacecraft gets a look at one of the strangest places in the solar system
An animation stitches together images showing briny deposits, colored in reddish, splaying across Occator Crater on Ceres, as seen by…
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Planets more hospitable to life than Earth may already have been discovered
This artist’s depiction shows the first validated Earth-size planet to orbit a distant star in the habitable zone identified by…
