最著名的航天任务之一是2019年嫦娥四号探测器在月球背面的历史性着陆。
One of the most famous missions was the historic landing of Chang'e-4 spacecraft on the moon's far side in 2019.
这是本年度的首次发射，是今年五项航天任务的最后阶段。
The launching is the first of the year as the shuttle program enters its home stretch of five missions this year.
它可能容纳一切，从新的航天任务，到持续监测北极气候变化的影响。
"This can include everything from new space missions to continually monitoring the effects of climate change on the Arctic."
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