Most Supernova Remnants Can Be Observed Only at Nonvisible Wavelengths

question 271

Multiple Choice

Most supernova remnants can be observed only at nonvisible wavelengths.Explain.

• A) Supernova remnants are too cool to produce radiation at visible wavelengths.
• B) Supernova remnants are too hot to produce radiation at visible wavelengths.
• C) Visible wavelengths are produced by supernova remnants but they are blocked by the interstellar medium.
• D) All the visible wavelengths are Doppler shifted to infrared because all the supernova remnants are moving away from us at high speeds.

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Definitions:

Transplatin

A platinum-based compound similar to cisplatin but differs in the arrangement of its molecular structure, impacting its effectiveness and use in chemotherapy.

DNA Replication

The biological process of producing two identical replicas of DNA from one original DNA molecule, essential for cell division.

Guanines

One of the four main nucleobases found in the nucleic acids DNA and RNA, pairing with cytosine.

Cisplatin Molecule

A platinum-based chemotherapy drug used in the treatment of various cancers, known by its chemical formula of Pt(NH3)2Cl2.