All keyboards having a Backspace key only have one Backspace key. Companies have arisen that also use satellite imagery to provide data for business about economic trends. Following on the success of its photoreconnaissance satellites, which began operation in 1960, the United States built increasingly complex observation and electronic-intercept intelligence satellites. For example, in the sentence above, you could click after "example" and press the Backspace key until that word is deleted. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. A second application involved remote observation of land and sea surfaces to gather imagery and other data of value in crop forecasting, resource management, environmental monitoring, and other applications. Omissions? The first application to be pursued was the development of satellites for assisting in weather forecasting. Learn about the various scientific efforts to study the planet Mars, including the Curiosity rover. The arrow pointing to the left helps you remember the direction of the Backspace key. How is the Backspace key used and what is its function? What is the difference between the del and Backspace keys. Examples of such efforts include the development of the Curiosity Mars rover, the Cassini-Huygens mission to Saturn and its moons, and the development of major space-based astronomical observatories such as the Hubble Space Telescope. Two U.S. Corona reconnaissance satellite images made a year apart—in mid-1961 (top) and mid-1962 (bottom)—revealing the construction of a new Soviet SS-7 Saddler (R-16) intercontinental ballistic missile site. As mentioned earlier, an Apple keyboard does not have a Backspace key. He repeated these claims after Yuri Gagarin’s orbital flight in 1961. Black Friday Sale! This reality meant that space exploration had to serve very broad interests, and it indeed has done so in a variety of ways. Although the possibility of exploring space has long excited people in many walks of life, for most of the latter 20th century and into the early 21st century, only national governments could afford the very high costs of launching people and machines into space. Most space activities have been pursued because they serve some utilitarian purpose, whether increasing knowledge, adding to national power, or making a profit. The Backspace key or Back space key is a keyboard key that deletes any character before the cursor's current position or the left. Which spacecraft was first to land on the moon? Until humans resume such journeys of exploration, robotic spacecraft will continue to serve in their stead to explore the solar system and probe the mysteries of the universe. On April 20, 1961, in the aftermath of the Gagarin flight, he asked his advisers to identify a “space program which promises dramatic results in which we could win.” The response came in a May 8, 1961, memorandum recommending that the United States commit to sending people to the Moon, because “dramatic achievements in space…symbolize the technological power and organizing capacity of a nation” and because the ensuing prestige would be “part of the battle along the fluid front of the cold war.” From 1961 until the collapse of the Soviet Union in 1991, competition between the United States and the Soviet Union was a major influence on the pace and content of their space programs. The Backspace key or Back space key is a keyboard key that deletes any character before the cursor's current position or the left. A related, but economically much smaller, commercial space business is the provision of launches for private and government satellites. In the early 21st century, entrepreneurs believed that there were several other areas of commercial potential in space, most notably privately funded space travel. The backspace key is sometimes referred to as the rubout key, which is reference to a "rubout" key found on early terminal and computer keyboards. … A stellar nursery in the Eagle Nebula (M16, NGC 6611). Let us know if you have suggestions to improve this article (requires login). As centuries of speculative fiction in books and more recently in films make clear, “one small step for [a] man, one giant leap for mankind” was taken by the human spirit many times and in many ways before Neil Armstrong stamped humankind’s first footprint on the Moon. Its main purpose is to enter the space between words during typing. Save 50% off a Britannica Premium subscription and gain access to exclusive content. They illustrate a reality that has remained constant for a half century—as space capabilities are developed, they often can be used for both military and civilian purposes. Nevertheless, there remains a powerful underlying sense that it is important for humans to explore space for its own sake, “to see what is there.” Although the only voyages that humans have made away from the near vicinity of Earth—the Apollo flights to the Moon—were motivated by Cold War competition, there have been recurrent calls for humans to return to the Moon, travel to Mars, and visit other locations in the solar system and beyond. Press and hold down Ctrl and press Backspace to delete one full word at a time, instead of deleting one character at a time. It is located in the top-right portion of the keyboard. Humans have always looked at the heavens and wondered about the nature of the objects seen in the night sky. He was a member of the NASA Advisory Council... Erik Gregersen, astronomy and space exploration editor of. Updates? Governments realized early on that the ability to observe Earth from space could provide significant benefits to the general public apart from security and military uses. The Backspace key really only has one function and that is to delete text to the left of the cursor. TIROS 7 (Television and Infra-Red Observation Satellite 7), launched June 19, 1963. Other countries also viewed having a successful space program as an important indicator of national strength. Our editors will review what you’ve submitted and determine whether to revise the article.
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