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Space exploration is the use of astronomy and space technology to explore outer space. While the exploration of space is currently carried out mainly by astronomers with telescopes, its physical exploration is conducted both by uncrewed robotic space probes and human spaceflight. Space exploration, like its classical form astronomy, is one of the main sources for space science.
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An occultation is an event that occurs when one object is hidden from the observer by another object that passes between them. The term is often used in astronomy, but can also refer to any situation in which an object in the foreground blocks from view (occults) an object in the background. In this general sense, occultation applies to the visual scene observed from low-flying aircraft when foreground objects obscure distant objects dynamically, as the scene changes over time.
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David Clifford Jewitt is a British-American astronomer who studies the Solar System, especially its minor bodies. He is based at the University of California, Los Angeles, where he is a Member of the Institute for Geophysics and Planetary Physics, the Director of the Institute for Planets and Exoplanets, Professor of Astronomy in the Department of Physics and Astronomy and Professor of Astronomy in the Department of Earth, Planetary and Space Sciences. He is best known for being the first person to discover a body beyond Pluto and Charon in the Kuiper belt.
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(163348) 2002 NN4 (prov. designation:2002 NN4) is a dark, sub-kilometer near-Earth object and potentially hazardous asteroid of the Aten group that flew by Earth on 6 June 2020. The highly elongated X-type asteroid has a rotation period of 14.5 hours and measures approximately 0.7 kilometers (0.4 miles) in diameter. It was discovered by LINEAR at the Lincoln Laboratory's Experimental Test Site in New Mexico on 9 July 2002.
References
- 1 2 "Global Swoon Over the Moon Set For Saturday". 2010-09-16. Retrieved 2016-09-09.
- ↑ "How to Observe the Moon Saturday Night". Fox News. 18 September 2010.
- ↑ "Astronomers stream lunar views on internet". CBC. 18 Sep 2010.
- ↑ "'Observe the Moon Night' with rest of the planet on Saturday!". One India.
- ↑ "International Observe the Moon Night Rises Tonight" . Retrieved 2016-09-09.
- ↑ "Telescopes, events mark Observe the Moon Night Oct. 12". 2013-10-11. Retrieved 2016-09-09.
- ↑ "A Worldwide Night of Moonwatching - Sky & Telescope". 2014-09-04. Retrieved 2016-09-09.
- ↑ "It's 'International Observe the Moon Night' tonight. Here's how to participate" . Retrieved 2023-10-22.