| Jupiter's Great Red Spot is a gigantic persistent ____. |
black hole |
| Venus has a very dense, mostly ____ atmosphere. |
carbon dioxide |
| The Earth's magnetic field deflects most of the ____. |
meteor |
| The ____ is an area in the sky that includes 12 constellations. |
satellite |
| A ____ is an extremely luminous stellar explosion. |
solar wind |
| A ____ is a natural or artificial body that revolves around a planet. |
supernova |
| There is a supermassive ____ in the center of the Milky Way. |
windstorm |
| A ____ entering the Earth's atmosphere looks like a shooting star. |
zodiac |
