Space wonder

The universe may be a big, big place. But how big? and the way can we know? Throughout history, humans have used a spread of techniques and methods to assist them answer the questions 'How far?' and 'How big?' Generations of explorers have looked deeper and deeper into the vast expanse of the universe. and therefore the journey continues today, as new methods are used, and new discoveries are made. (To learn more about distance, visit How Big is Our Universe.) In the third century B.C., Aristarchus of Samos asked the question 'How distant is that the Moon?' He was ready to measure the space by watching the shadow of the world on the Moon during a eclipse . It was Halley , famous for predicting the return of the comet that bears his name, who three centuries ago found how to live the space to the Sun and to the earth Venus. He knew that the earth Venus would very rarely, every 121 years, pass directly between the world and therefore the Sun. The apparent ...

What is space exploration?  Humans have always searched into the night sky and dreamed about space. In the latter half the 20th century, rockets were developed that were powerful enough to beat the force of gravity to succeed in orbital velocities, paving the way for space exploration to become a reality. In the 1930s and 1940s, Third Reich saw the chances of using long-distance rockets as weapons. Late in war II, London was attacked by 200-mile-range V-2 missiles, which arched 60 miles high over English Channel at quite 3,500 miles per hour. After war II, the us and therefore the Soviet Union created their own missile programs. On Oct. 4, 1957, the Soviets launched the primary satellite , Sputnik 1, into space. Four years afterward April 12, 1961, Russian Lt. Gagarin became the primary human to orbit Earth in Vostok 1. His flight lasted 108 minutes, and Gagarin reached an altitude of 327 kilometers (about 202 miles). The first U.S. satellite, Explorer 1, went into or...

What is dark matter? Dark matter doesn’t emit light. It can’t be directly observed with any of the prevailing tools of astronomers. Yet astrophysicists believe that it and dark energy structure most of the mass of the cosmos. What substance is, and what it isn’t. here. Sharing is caring! Airy-looking, cosmic-looking painting of long blue wisps, dotted with round black holes of varied sizes. Since the 1930s, astrophysicists are trying to elucidate why the visible material in galaxies can’t account for a way galaxies are shaped, or how they behave. They believe a sort of dark or invisible matter pervades our universe, but they still don’t know what this substance could be . Image via ScienceAlert. Dark matter may be a mysterious substance thought to compose perhaps about 27% of the makeup of the universe. what's it? It’s a touch easier to mention what it isn’t. It isn’t ordinary atoms – the building blocks of our own bodies and every one we see around us – because ...

NASA and SpaceX are now but fortnight from a historic crew launch SpaceX's Crew Dragon spacecraft may be a smaller amount than fortnight from launching NASA astronauts to the International space station for the first time, but some big obstacles still substitute the way. With this SpaceX mission, mentioned as Demo-2, veteran NASA astronauts Bob Behnken and Doug Hurley are set to launch on a Falcon 9 rocket from NASA's Kennedy Space Center on May 27. The historic launch are getting to be the first crewed launch from the us to orbit since NASA's spacecraft program led to 2011. But, while this spaceflight milestone is simply round the corner, "there's still work to be done," Phil McAlister, director of the commercial spaceflight division at NASA Headquarters, said today (May 14). Releted: what is space time?  "We are still finishing some final testing, there are still some documents we've to review," McAlister told members of the Huma...

What is space time? The fabric of space-time may be a conceptual model combining the three dimensions of space with the time of your time . consistent with the simplest of current physical theories, space-time explains the weird relativistic effects that arise from traveling near the speed of sunshine also because the motion of massive objects within the universe. Who discovered space-time?  The famous physicist Einstein helped develop the thought of space-time as a part of his theory of relativity. before his pioneering work, scientists had two separate theories to elucidate physical phenomena: Isaac Newton's laws of physics described the motion of massive objects, while James Clerk Maxwell's electromagnetic models explained the properties of sunshine , consistent with NASA. But experiments conducted at the top of the 19th century suggested that there was something special about light. Measurements showed that light always traveled at an equivalent speed, regardle...

You can dock a SpaceX Crew Dragon at the space platform during this free simulator SpaceX released a world space station docking simulator that's very on the brink of the important thing that Crew Dragon astronauts may experience starting on the test flight scheduled for May 27. "This simulator will familiarize you with the controls of [the] actual interface employed by NASA astronauts to manually pilot the SpaceX Dragon 2 vehicle to the International space station ," SpaceX says, using such an older name for the vehicle, in its instructions for the simulator available here SpaceX's Crew Dragon docking simulator puts some emphasis on top of things of a meeting with the International space station . (Image credit: SpaceX) The simulator shows parameters like distance, roll, pitch and yaw, in conjunction with green numbers that show corrections that are necessary to achieve the space station . (A successful docking will occur when all the displayed cor...