When Astronomer Neil deGrasse Tyson was on Bill Maher last week, he laid into the plans to slash NASA’s budget. When the topic of the James Webb Space Telescope came up, he broke in and said, “Don’t get me started.”

Maher had him. “No, I want to get you started…”

What followed was intelligent, eloquent, passionate, and truthful – all of the qualities of a rant worth watching. We posted the video he had produced about it last month, but this one is even better because it came off the cuff, from the heart.

Today, he continued the attacks with a little humor in the tweet above. Go ahead, click through and retweet him if you believe he’s right.

Here’s his original rant from last week: