Telescopium is one of the constellations in the southern sky.

Microscopium is one of the constellations in the southern sky.

Octans is one of the constellations in the southern sky.

Octans is one of the constellations in the southern hemisphere.

In organic chemistry, the concept of conformational isomers is very important.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.

Sextans is one of the constellations in the southern sky.

She is beautiful like a peony when she stands, a peony when she sits, and a lily when she walks.