Question and answer
Which was the first black hole candidate to be discovered? A. M13 B. Cygnus X-1 C. Cassiopeia A D. Sagittarius A*
Cygnus X-1 was the first black hole candidate to be discovered.
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BhawikJain|Points 329|
Question|Asked by Miaboo
Asked 7/11/2016 3:42:36 PM
Updated 7/12/2016 7:46:55 AM
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This answer has been confirmed as correct and helpful.
Edited by jeifunk [7/12/2016 7:46:54 AM], Confirmed by jeifunk [7/12/2016 7:46:55 AM]
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Questions asked by Miaboo
In which decade did the U.S. commit to and achieve the goal of landing an astronaut on the Moon? A. 1940s B. 1960s C. 1980s D. 1990s
Weegy: In the 1960s, the U.S. commit to and achieve the goal of landing an astronaut on the Moon. (More)
Question|Asked by Miaboo
Updated 7/12/2016 8:23:00 AM
0 Answers/Comments
The Hubble Space Telescope has been maintained by which of these? A. Voyager I B. Apollo 11 C. Space Shuttle D. International Space Station
Weegy: The Hubble Space Telescope has been maintained by International Space Station. (More)
Question|Asked by Miaboo
Updated 7/12/2016 8:23:40 AM
0 Answers/Comments
Which NASA mission sent a probe to collide with a comet's nucleus? A. Pioneer B. Apollo 11 C. Voyager D. Deep Impact
Weegy: Deep Impact was the NASA mission sent a probe to collide with a comet's nucleus. (More)
Question|Asked by Miaboo
Updated 7/12/2016 8:23:26 AM
0 Answers/Comments
Mars was once similar to Earth in that A. it had only one moon. B. liquid water flowed on its surface. C. it showed evidence of plate tectonics. D. its atmosphere had a thin layer of carbon dioxide.
Weegy: Mars was once similar to Earth in that - liquid water flowed on its surface. (More)
Question|Asked by Miaboo
Expert Answered
Updated 7/11/2016 5:27:33 PM
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Stars of average mass, such as our Sun, undergo fusion. What is the most massive element that can result from this process? A. iron B. iridium C. helium D. carbon
Weegy: Stars of average mass, such as our Sun, undergo fusion. The most massive element that can result to the process is Helium. (More)
Question|Asked by Miaboo
Updated 7/11/2016 3:08:38 PM
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