W. Lehr, chairman of 3M Corp., delivered at the Goddard Dinner, National Space Club in Washington, D.C. on March 9, 1985. His views on space exploration; Comments on the commercialization of space; Status of the space exploration activity and budget of the company.Lehr...
A Minefield in Earth Orbit: How Space Debris Is Spinning Out of Control [Interactive]Kathy JonesKrista FuentesDavid Wright
The spacecraft sits in a low-Earth orbit, around 300 miles from the planet’s surface, and that means it is affected by the planet’s atmosphere. “The sun is constantly spewing out charged particles and radiation at multiple wavelengths. What happens when it hits the Earth’s atmosphere is...
aThe team is going to piay against Chinas national team tomorrow. 队明天去piay反对中国国家队。[translate] aIt wants to catch the birds 它想要捉住鸟[translate] a冷清的我 Lonely I[translate] ahow crowded earth's orbit has become in recent years 怎么拥挤地球的轨道近年来成为了[translate]...
The Moon Distance Calculator shows approximate times for when the Moon is closest to the Earth (perigee) and furthest from the Earth (apogee).
ethical and societal duty to make sure that artificial intelligence is adopted and advanced in a way that protects the public from potential harm, while ensuring everyone is able to enjoy its full benefit," said Harris in a briefing. The statement underscored the White House's vision that AI ...
Handlesblatt – No More Space Debris – How Rogue Space Plans To Clean Up Earth’s Orbit Handlesblatt:CIO Executive Partner & Senior AnalystPhil Brunkardtalks about how the issue of space debris represents both a significant risk as well as a business opportunity....
CE is by far the most frequent concept reported in all land-use intensive sectors (73% of the total codes), followed by GE (21%) and BE (5%) (Table 3). A similar frequency pattern occurs in each individual sector, with the exception of the energy sector, where GE and BE have almos...
Halley's Comet takes about 76 years to orbitthe sunonce and will not enter the solar system again until 2061. The comet is named after English astronomer Edmond Halley who examined reports ofcometsapproaching Earth in 1531, 1607 and 1682. He concluded that these sightings were all of the sam...
These objects generally circle from north to south, over Earth's poles, and take about 12 hours to make one complete trip. Polar-orbiting satellites also pass over the planet's poles on each revolution, although their orbits are far less elliptical. The polar orbit remains fixed in space as...