As in gymnosperms, the ovule becomes a seed, encasing the embryo and endosperm in a seed coat. But unlike gymnosperms, in angiosperms the ovary containing the ovules develops into a fruit after fertilization.
Captain James Cook was the first to cross the Antarctic Circle, doing so in 1773. However, pack ice and the freezing of his ship's sails prevented him from reaching the Antarctic continent itself. The same thing happened when he again crossed the Antarctic Circle a year later.
A team of scientists found the rock in the Allan Hills ice field in Antarctica in 1984. The meteorite made headlines in 1996 when astrobiologists announced that it contained evidence of microscopic fossils of Martian bacteria. Whether true or not, this discovery launched the field of astrobiology as we know it.