English, 22.01.2022 08:10 sarahpaigeallen
How have the spacecrafts discussed in the text contributed to the discoveries made in space?
In February 2017, NASA announced the discovery of seven new planets circling TRAPPIST-1 (a red dwarf star thatâs about 40 light years away). This was an exciting discovery! But perhaps what was even more exciting was that three of the seven planets could be habitable.
You mean someone can travel to this planet and live there? Letâs go check it out! Well, hold on just one second. Before you get too excited and start packing your bags, weâre talking habitable in the sense that these planets are rocky and have the potential for containing liquid water.
Since the discovery of the planets orbiting TRAPPIST-1, many other exciting things have been happening in the area of space:
THE CASSINI SPACECRAFT:
The Cassini spacecraft, which was sent into outer space almost 20 years ago, is going to complete its final data-collecting mission by September 2017. For its final mission, it will dive between Saturn and its rings in order to take pictures, produce detailed maps of its gravity and magnetic fields, collect data, and much more.
What happens when Cassini has completed its mission? It wonât come back to Earth. Instead, itâll destroy itself and dissolve into Saturnâs atmosphere.
SOFIA AND EPSILON ERIDANI:
SOFIA (Stratospheric Observatory for Infrared Astronomy), or NASAâs flying observatory, just completed a study of the star Epsilon Eridani (eps Eri) and its planetary system. Located about 10.5 light-years away, itâs much younger than our solar system. But SOFIA confirmed that itâs put together like ours, with debris disks like our asteroid belt. It also contains a big planet that keeps the debris from reaching its outer zone, like Neptune does in our solar system. Cool, right?
FARMING IN SPACE:
Space scientists are doing all kinds of lab experiments on the International Space Station â things that just canât be done in a lab on Earth. Whatâs the latest thing that theyâre testing? Growing vegetables! Recently, NASA astronaut Jack Fischer harvested a crop of Chinese cabbage. The crew ate some of it and packaged up the rest for further research and testing on Earth.
Itâs not the first time that theyâve been successful at growing vegetables â theyâve grown lettuce before â but this is a first for cabbage! But rest assured, this wonât be their last harvest. The purpose behind these experiments is to see if astronauts can stay in outer space for longer missions. Being able to grow their own food while in space is one of the important steps for sustained and longer duration space missions. What do you think theyâll try to grow next?
Space is fascinating, right? From space discoveries to space travel, and everything in between, new advancements are being made every day!
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How have the spacecrafts discussed in the text contributed to the discoveries made in space?
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