Houstonians will be able to see seven planets in the sky this weekend in what's called a planetary parade. Unfortunately, however, some may not be spotted with the naked eye. Just after dark, it will be possible to view Mercury,

Observers could see up to seven planets line up in the sky after sunset on Friday, but you may need a telescope to see them all.

After dusk on Friday night, seven planets are expected to align in the night sky. But you'll need binoculars or a telescope to see them all.

If you bring a telescope and get away from city lights Friday evening, there’s a chance you’ll see seven planets parading through the sky. Most of the planetary alignment, which is colloquially referred to as a planet parade,