The Little Gem Nebula, also known as the NGC6818, is about 6000 light-year long, has two different layers of gas and dust, and has a bright bubble inside.

If an apple falls, then does the moon also fall?By Isaac Newton.led to the theory of gravity How do organisms transmute information about their features over a thousand generations?By Charles Darwinled to the theory of evolution How does a single...

Credits: BBC, NASA,

The Long March 2F rocket carrying Shenzhou-12 manned spacecraft with 3 astronauts will be launched from Jiuquan Satellites Launching center in order to dock with the Tianhe core module & Tianzhou-2 cargo spacecraft module in the coming week, probably on...