This paper describes how QUEST 1 (QUaternion ESTimator algorithm) influenced Brazilian space research activities. Indeed, we present a short survey paper on researches in attitude determination and propagation in Brazil ...

This paper describes how QUEST 1 (QUaternion ESTimator algorithm) influenced Brazilian space research activities. Indeed, we present a short survey paper on researches in attitude determination and propagation in Brazil ...

Since more than one decade ago, several institutions started to offer a large variety of Operative Space Weather (SWx) products. This is of major importance because Space Weather events can affect aviation communications, ...

The long-term sustainability of space activities is an emerging issue to which actors in the global space community –including governments, agencies, and industry– are devoting increasing amounts of attention and resources. ...

This paper address the past and current efforts of the South American region in the space area. The space activities in the region date back to 1967, and since then South American countries have achieved a relative modest ...

Ethnographers often find themselves wrestling with choices about their relationship with respondents: choices experienced by researchers engaged in many other methodologies. This article examines the agentic and political ...

The theme of spaces, as shown by the official Brazilian documents and the existing literature, has increasingly revealed its importance in daily pedagogical practices with babies in daycare centers. In this sense, the ...

Type 2 diabetes mellitus (T2DM) is a public health challenge that must be addressed considering the large number of risk factors involved in its appearance. Some environmental risk factors are currently described as ...