If you mean The Reaper, it was painted in September of 1889.
Vincent Van Gogh
Oil paint and brushes.
No, he did not.
864 paintings by van Gogh are known.
The Starry Night is an oil-on-canvas painting by Vincent van Gogh.
using a paint brush
Van Gogh started to paint only after he felt he mastered the technique of drawing. This was in The Hague period. Van Gogh made a few (bad) sketches when in England.
Van Gogh used oil pastels I believe.
In 1881.
He paint for his life
He started to paint in 1880.
No, it had not yet been invented.