“Eros”的概念、定义、翻译、参考文献-科学参考

Eros

Astronomy

Asteroid 433, discovered in 1898 by the German astronomer Gustav Witt (1866–1946) and independently on the same day by the Frenchman Auguste Charlois (1864–1910). Eros was the first known asteroid with an orbit that brings it within the orbit of Mars; it is a member of the Amor group. The NEAR Shoemaker space probe went into orbit around Eros in 2000 February, photographing its ancient, cratered surface. Eros is highly elongated, 34 × 11 × 11 km, with a mass of 6.7 × 10¹⁵ kg and a density of 2.7. It is of S type, with a rotation period of 5.27 hours. Its orbit has a semimajor axis of 1.458 au, period 1.76 years, perihelion 1.13 au, aphelion 1.78 au, and inclination 10°.8.
http://photojournal.jpl.nasa.gov/catalog/PIA02475

Space Exploration

An asteroid discovered in 1898 by German astronomer Gustav Witt. It was the first asteroid to be discovered that has an orbit coming within that of Mars. It passes within 22 million km of the Earth. It is elongated, measures 33 × 13 × 13 km, rotates around its shortest axis every 5.3 hours, and orbits the Sun every 1.8 years.
NASA's Near-Earth Asteroid Rendezvous spacecraft went into orbit around Eros on 14 February 2000. Pictures showed the asteroid to be heavily cratered, indicating that it is probably older than was previously thought. The surface was discovered to contain aluminium, iron, magnesium, and silicon.

Geology and Earth Sciences

A solar system asteroid (No. 433), measuring 41 × 15 × 14 km; approximate mass 5 × 10¹⁵ kg; rotational period 5.270 hours; orbital period 1.76 years. After transmitting many photographs, on 2 February 2001 the Near Earth Asteroid mission crashed on Eros.

单词	Eros
释义	Eros Astronomy Asteroid 433, discovered in 1898 by the German astronomer Gustav Witt (1866–1946) and independently on the same day by the Frenchman Auguste Charlois (1864–1910). Eros was the first known asteroid with an orbit that brings it within the orbit of Mars; it is a member of the Amor group. The NEAR Shoemaker space probe went into orbit around Eros in 2000 February, photographing its ancient, cratered surface. Eros is highly elongated, 34 × 11 × 11 km, with a mass of 6.7 × 10¹⁵ kg and a density of 2.7. It is of S type, with a rotation period of 5.27 hours. Its orbit has a semimajor axis of 1.458 au, period 1.76 years, perihelion 1.13 au, aphelion 1.78 au, and inclination 10°.8. http://photojournal.jpl.nasa.gov/catalog/PIA02475 Space Exploration An asteroid discovered in 1898 by German astronomer Gustav Witt. It was the first asteroid to be discovered that has an orbit coming within that of Mars. It passes within 22 million km of the Earth. It is elongated, measures 33 × 13 × 13 km, rotates around its shortest axis every 5.3 hours, and orbits the Sun every 1.8 years. NASA's Near-Earth Asteroid Rendezvous spacecraft went into orbit around Eros on 14 February 2000. Pictures showed the asteroid to be heavily cratered, indicating that it is probably older than was previously thought. The surface was discovered to contain aluminium, iron, magnesium, and silicon. Geology and Earth Sciences A solar system asteroid (No. 433), measuring 41 × 15 × 14 km; approximate mass 5 × 10¹⁵ kg; rotational period 5.270 hours; orbital period 1.76 years. After transmitting many photographs, on 2 February 2001 the Near Earth Asteroid mission crashed on Eros.
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