CubeSat

Article summary

, a Norwegian CubeSat (10 cm (3.9 in) cube) A CubeSat is a class of small satellite with a form factor of 10 cm (3.9 in) cubes. CubeSats have a mass of no more than 2 kg (4.4 lb) per unit, and often use commercial off-the-shelf (COTS) components for their electronics and structure. CubeSats are deployed into orbit from the International Space Station, or launched as secondary payloads on a launch vehicle. , the Nanosatellite & CubeSat Database records 2,973 CubeSats launched, out of more than 3,200 nanosatellites launched since 1998. Jonathan McDowell's Jonathan's Space Report independently catalogues more than 3,200 CubeSats launched in total. In 1999, Jordi Puig-Suari, a professor at California Polytechnic State University, San Luis Obispo (Cal Poly) and Bob Twiggs, a professor at Stanford University Space Systems Development Laboratory, developed the CubeSat specifications to promote and develop the skills necessary for the design, manufacture, and testing of small satellites intended for low Earth orbit (LEO) that perform scientific research and explore new space technologies. Academia accounted for the majority of CubeSat launches until 2013, when more than half of launches were for non-academic purposes, and by 2014 most newly deployed CubeSats were for commercial or amateur projects.…

Key claims

1. release date: 2012-02-15 — source: Wikipedia · confidence 0.95

Discussion questions

1. Summarise the article in your own words. Which single claim would you verify first, and why?
2. The record states that the release date is "2012-02-15". What evidence would count against this claim?
3. Which claim in this article is most likely to be revised as the sources update? How would you check its current status?
4. If two sources disagreed about one of these facts, what would you need in order to trust one over the other?

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