Space exploration began with the launch of Sputnik and Astrophysics was born as the application of physics to the phenomena observed by Astronomy, which etymologically means laws of the stars.
There are 2759 entries in this glossary.| Term | Definition |
|---|---|
| Engraved Hourglass Hourglass Nebula |
Descriptive popular name for a planetary nebula with the catalogue designation MyCn18. Public attention was drawn to its spectacular form by a Hubble Space Telescope image published in 1996.
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