NHAS - Today in Astronomy History

New Hampshire Astronomical Society

April 24th in Astronomy and Space Science

	1932	Earth-crossing asteroid 1862 Apollo is discovered by German astronomer Karl Reinmuth. This was the first of a class of Earth-crossing asteroids that have an orbital semi-major axis greater than that of the Earth. Some of these can pass very close to the Earth, making them a potential threat to the planet.
	1970	China launches the China 1 satellite on a Long March 1 booster, becoming the fifth nation to launch its own satellite into orbit.

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