The Messenger of Allah (ﷺ) prayed two rak'ahs like this prayer of yours, and he mentioned the eclipse of the sun.
Sunan an-Nasa'i Book 16, Hadith 34
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"We were with the Messenger of Allah (ﷺ) when the sun became eclipsed. The Messenger of Allah (ﷺ) went out dragging his garment, until he came to the masjid, and the people gathered around him. He led us in praying two rak'ahs and when (the eclipse) ended he said: 'The sun and the moon are two of the signs of Allah (SWT) by means of which Allah (SWT), the Mighty and Sublime, strikes fear into His slaves. They do not become eclipsed for the death or birth of anyone. If you see that, then pray until Allah (SWT)r relieves you of fear.' That was because his son named Ibrahim had died, and the people suggested to him that (the eclipse) happened because of that."
Sunan an-Nasa'i Book 16, Hadith 33 Next Hadith → "There was an eclipse of the sun and the Messenger of Allah (ﷺ) prayed and the people with him. He stood for long time reciting something like Surah Al-Baqarah, then he raised (his head) and stood for a long time, then he raised (his head) and stood for a long time which was shorter than the first time. Then he bowed for a long time, which was shorter than the first time, then he prostrated. Then he got up and stood for a long time, which was shorter than the first time, then he bowed for a long time, which was shorter than the first time, then he raised (his head) and stood for a long time, which was shorter than the first time. Then he bowed for a long time, which was shorter than the first time, then he prostrated, then he finished (his prayer) and the sun had been clear. He said: 'The sun and the moon are two of the signs of Allah (SWT) and they do not become eclipsed for the death or birth of anyone. If you see that then remember Allah (SWT) the Mighty and Sublime.' They said: 'O Messenger of Allah (ﷺ), we saw you stretching out your hand when you were standing, then we saw you moving backward. He said: 'I saw Paradise-or it was shown to me- and I reached out to a take a bunch of its fruits. If I ha taken it you would have eaten from it for as long as this world lasts. And I saw Hell and I have never seen anything like it, and I saw that most of its inhabitants are women.' They said: "Why, O Messenger of Allah (ﷺ)? He said: 'Because of their ingratitude.' It was said: 'Are they ungrateful to Allah?' He said: 'They are ungrateful to their husbands and they are ungrateful for kind treatment. If you are kind to one of them for a lifetime, then she sees (one) bad thing from you, she will say: I have never seen anything good from you.'"
Sunan an-Nasa'i Book 16, Hadith 35
Sunan an-Nasa'i Book 16, Hadith 33 Next Hadith → "There was an eclipse of the sun and the Messenger of Allah (ﷺ) prayed and the people with him. He stood for long time reciting something like Surah Al-Baqarah, then he raised (his head) and stood for a long time, then he raised (his head) and stood for a long time which was shorter than the first time. Then he bowed for a long time, which was shorter than the first time, then he prostrated. Then he got up and stood for a long time, which was shorter than the first time, then he bowed for a long time, which was shorter than the first time, then he raised (his head) and stood for a long time, which was shorter than the first time. Then he bowed for a long time, which was shorter than the first time, then he prostrated, then he finished (his prayer) and the sun had been clear. He said: 'The sun and the moon are two of the signs of Allah (SWT) and they do not become eclipsed for the death or birth of anyone. If you see that then remember Allah (SWT) the Mighty and Sublime.' They said: 'O Messenger of Allah (ﷺ), we saw you stretching out your hand when you were standing, then we saw you moving backward. He said: 'I saw Paradise-or it was shown to me- and I reached out to a take a bunch of its fruits. If I ha taken it you would have eaten from it for as long as this world lasts. And I saw Hell and I have never seen anything like it, and I saw that most of its inhabitants are women.' They said: "Why, O Messenger of Allah (ﷺ)? He said: 'Because of their ingratitude.' It was said: 'Are they ungrateful to Allah?' He said: 'They are ungrateful to their husbands and they are ungrateful for kind treatment. If you are kind to one of them for a lifetime, then she sees (one) bad thing from you, she will say: I have never seen anything good from you.'"
Sunan an-Nasa'i Book 16, Hadith 35