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Study new words and phrases you pick from thematic sets of cards
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Learn any foreign language by watching videos and reading articles
And saving new words and phrases as flashcards.
Study new words and phrases you pick from thematic sets of cards
These sets are created by the community, reviewed by us and sorted by popularity. Teachers can easily create public or private sets.
Blog
Apod-042.mp4 -
It is the closest region of massive star formation to Earth and can be seen with the naked eye as the "fuzzy" star in Orion's Sword.
For three million years, the Great Nebula in Orion—known to astronomers as —remained a silent, glowing ghost in the winter sky. But inside the "APOD-042" data stream, the silence is replaced by a violent, beautiful symphony of creation. APOD-042.mp4
The story begins in the , a quartet of massive stars at the nebula's heart. These aren't ordinary stars; they are "stellar bullies." They blast the surrounding hydrogen gas with intense ultraviolet light, carving out a massive cavern in space. In the video, you can see the gas glowing like neon lights in a city, pushed away by the sheer force of stellar winds. It is the closest region of massive star
As you zoom deeper into the clouds, the story shifts from destruction to birth. Tucked away in the dark, dusty pillars are —protoplanetary disks. These are infant solar systems, just like ours was 4.5 billion years ago. Within these tiny smudges of dust, gravity is pulling together the rocks and gas that will one day become planets, perhaps even oceans and forests. The story begins in the , a quartet
You can explore the latest daily discoveries on the official NASA APOD website or browse the archive through the Michigan Technological University portal .

