Update app.py

app.py

@@ -47,7 +47,7 @@ def load_image(image_url):
 # ----Function to make and convert background to base 64 code-----
 def set_background():
     """Sets the background image using base64 encoding."""
-    image_url = "https://wallpapers.com/images/featured/skrwoybjif4j8l2j.jpg"  # Corporate Image
+    image_url = "https://www.nasa.gov/sites/default/files/thumbnails/image/web_first_images_release.png"  # NASA Image
     image_data = load_image(image_url)
     if image_data:
         # Convert bytes to base64
@@ -56,7 +56,7 @@ def set_background():
             f"""
             <style>
             .stApp {{
-                background-image: url(data:image/jpeg;base64,{image_base64});
+                background-image: url(data:image/png;base64,{image_base64});
                 background-size: cover;
                 background-position: center center;
                 background-attachment: fixed;