Florida's B.E.S.T. Roots: ast, aster, astro

There are asterisks next to my name and footnotes that explain the situation.

“See the stars? And that asteroid field? And that lonely satellite going by? There’s no gravity. You’re weightless. You can do anything you want with your body. You just have to think it.”

I pressed my astral button, and flew homeward, wearily, slowly; I was full of soup and tone, and my ears and nostrils quivered from exhaustion.

Scientists have discovered a simple and reliable test for signs of past or present life on other planets -- "the holy grail of astrobiology. Science Daily

In the middle of the floor was an astrolabe on an ebony pillar, and the floor itself was embroidered in white, with the signs of the Zodiac and the twelve Houses arranged in a circle.

According to the ancient astrology, the sun assumed at different times the character of the particular sign through which it passed, and as such was symbolically worshipped.

The astronauts, I had read in the paper, had seen it fall before they flew back to Earth.

The cost of this medicine must be astronomical.

But his great academic love was still astronomy.

He also spent many years developing a weird personal system of astrophysics in which gravity did not exist.