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What is some of the evidence that Cygnus X-1 is a black hole?
Modified Leaf
A leaf that has evolved to serve functions other than photosynthesis, such as protection or reproduction.
Bulb
A globose, fleshy, underground bud that consists of a short stem with fleshy leaves (e.g., onion).
Leaf Abscission
The natural process by which leaves detach from a plant, typically in response to environmental triggers or seasonal changes.
Abscisic Acid
A plant hormone that regulates many aspects of plant growth and development, including stress responses, seed dormancy, and stomatal closure.
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