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Description list

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Blockquotes

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“Somewhere, something incredible is waiting to be known.”

— Carl Sagan

Alternative blockquote

“Technology changes quickly, but human curiosity remains constant.”

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Code

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<img 
  src="galaxy.jpg" 
  alt="Spiral galaxy with a bright central core in deep space."
>

Images

Blue DNA double helix structure rendered against a dark background.
Regular width
Sea turtle swimming underwater in a marine environment.
Wide width
Earth viewed from space with the African continent and cloud formations visible.
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Video by RDNE Stock project from Pexels

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Bookmark card

What we know about black holes
Black holes are regions of space where gravity becomes so strong that nothing, not even light, can escape once it crosses a certain boundary.
SignalAlex Carter