A lot of activity in the night sky this month [Video]

Nasa is warning a “Stadium sized asteroid” will make a close pass Tuesday night. “This particular one is of no consequence to us,” Randy Groundwater, past president of the Royal Astronomical Society of Canada Windsor Centre, assured. “It won’t affect anything but it’s interesting just to note their passage.”

The “near-Earth object,” otherwise known as a NEO, won’t be any closer than a million kilometres from the planet with no probability of entering the atmosphere.

Later this month, on Sept. 29, a second asteroid is expected to be sucked in by the earth’s gravity. Considered a rarity, this visitor is only about 30 feet wide.

“It’s not the sort of thing you can go out and look up in the sky and say, oh, there’s the asteroid. They’re not bright enough to do that. They’re small. They do not reflect a lot of light,” Groundwater said.

In both cases, he …