gegenschein 的定义
Astronomy.
- a faint, elliptical patch of light in the night sky that appears opposite the sun, being a reflection of sunlight by meteoric material in space.
更多gegenschein例句
- He must moreover sign with his own hand the so-called «Gegenschein» (Counter-certificate) to be found in the deposit book.
- Barnard finds that the Gegenschein is not so faint as is generally supposed.
- The Gegenschein is an extremely elusive phenomenon, suitable only for eyes that have been specially trained to see it.
- M. Quénisset notes that—as in the case of the Zodiacal Light—the southern border of the Gegenschein is sharper than the northern.
- These are known respectively as the Zodiacal Light and the Gegenschein.